Critical Bleed Navigator
Last updated:
Select a scenario: Which bleeding situation is being managed?
DOAC
What is the situation?
Bleed on DOAC
What is the type of bleed?
Minor bleeding
Is minor bleeding confirmed?
Yes
- Thrombosis Canada, 2025
Minor bleeding on DOAC
- 1
Continue DOAC and monitor
- 2
Confirm the patient is receiving the appropriate drug and dose based on indication, age, weight, creatinine clearance, co-medications.
- 3
Consider measuring hemoglobin, platelet count, creatinine, and liver function tests
- 4
Review concomitant medications which may contribute to bleeding (e.g. antiplatelet therapies, NSAIDs, SSRIs, herbal supplements)
Is management complete and bleeding resolved?
Yes
Bleeding resolved
- 1
Assess patients for resumption of anticoagulation when hemostasis is achieved with consideration of shared decision making
- 2
Confirm ongoing indication for anticoagulation.
- 3
Estimate the risks of recurrent bleeding and thrombosis (and their clinical sequelae) with multidisciplinary input.
- 4
Re-evaluate laboratory parameters once patient has been clinically stabilized (hemoglobin, platelet count, creatinine, liver function tests) and patient’s weight.
- 5
Review concomitant medications and reassess the need for medications which may contribute to bleeding (i.e. antiplatelet therapies, NSAIDs, SSRIs, herbal supplements)
- 6
Confirm the appropriateness of the type and dose of anticoagulant based on clinical characteristics such as indication, age, weight, and creatinine clearance.
- 7
Provide education and counselling regarding bleeding complications and when to seek medical attention.
- 8
Ensure routine follow-up and reassessment of #1 to #6 at regular intervals.
Scenario complete
Reset to start over or to select another scenario
Clinically relevant non-major bleeding
Is clinically relevant non-major bleeding confirmed?
Yes
What is the DOAC?
Apixaban
Which laboratory tests are available?
- PT/INR
- aPTT
- Heparin or LMWH anti-Xa
- Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Clinically relevant non-major bleed on Apixaban
- 1
Hold: DOAC therapy
- 2
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 3
Measure: hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Disclaimer
DOAC-specific calibrated anti-Xa assays remain the preferred method for measuring direct factor Xa inhibitor concentrations. LMWH-calibrated anti-Xa assays should not be used interchangeably across centers or assumed to directly provide a DOAC level in ng/mL. Their performance is assay-, reagent-, analyzer-, and drug-specific, and the IU/mL output requires careful local validation before clinical use. Where a center uses an LMWH-calibrated anti-Xa assay as a surrogate for apixaban, rivaroxaban, or edoxaban measurement, the laboratory should provide assay-specific interpretive guidance, including locally validated cutoffs or approximate conversion ranges to clinically relevant DOAC concentrations, the reportable/roughly linear range, and important limitations. This approach should only be used when such local validation and reporting infrastructure are in place.
Clinically relevant non-major bleed on Apixaban
- 1
Measure: plasma concentration of DOAC using a specific validated assay (heparin or LMWH anti-Xa, FXaI-specific calibrated anti-Xa) if available with timely results AND the results would change management
See disclaimer
- 2
Determine: whether clinically significant levels of FXaI are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant FXaI levelIncreased
May indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant FXaI levelIncreased
may indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
Heparin or LMWH anti-Xa
Heparin or LMWH anti Xa
<0.1 IU/mL
likely no clinically significant FXaI level>0.1 IU/mL
possible clinically significant FXaI level(assay dependent)
<0.1 IU/mL
THEN
>0.1 IU/mL
THEN(assay dependent)
Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
Calibrated FXaI level
<50 ng/mL
FXaI level less likely to be significantly contributing to impaired hemostasis>50 ng/mL
FXaI level is likely to be significantly contributing to impaired hemostasis
<50 ng/mL
THEN
>50 ng/mL
THEN
Next
Clinically relevant non-major bleed on Apixaban
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Apixaban dose:
- —
Creatinine clearance:
- —
- —
And:
CrCl ≥ 50 mL/ min
Half-life is 8-12 hours
Acute or worsening renal dysfunction
Drug exposure may be increased and clearance delayed. Published half-life estimates are variable, and no reliable AKI-specific estimate is available.
- 2
If indicated, administer transfusion therapies as per guidelines.
- 3
Seek consultation for investigation and definitive management of bleeding source as appropriate (i.e. endoscopy, interventional radiology, surgery)
Is management complete and bleeding resolved?
Yes
Bleeding resolved
- 1
Assess patients for resumption of anticoagulation when hemostasis is achieved with consideration of shared decision making
- 2
Confirm ongoing indication for anticoagulation.
- 3
Estimate the risks of recurrent bleeding and thrombosis (and their clinical sequelae) with multidisciplinary input.
- 4
Re-evaluate laboratory parameters once patient has been clinically stabilized (hemoglobin, platelet count, creatinine, liver function tests) and patient’s weight.
- 5
Review concomitant medications and reassess the need for medications which may contribute to bleeding (i.e. antiplatelet therapies, NSAIDs, SSRIs, herbal supplements)
- 6
Confirm the appropriateness of the type and dose of anticoagulant based on clinical characteristics such as indication, age, weight, and creatinine clearance.
- 7
Provide education and counselling regarding bleeding complications and when to seek medical attention.
- 8
Ensure routine follow-up and reassessment of #1 to #6 at regular intervals.
Scenario complete
Reset to start over or to select another scenario
Edoxaban
Which laboratory tests are available?
- PT/INR
- aPTT
- Heparin or LMWH anti-Xa
- Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Clinically relevant non-major bleed on Edoxaban
- 1
Hold: DOAC therapy
- 2
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 3
Measure: hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Disclaimer
DOAC-specific calibrated anti-Xa assays remain the preferred method for measuring direct factor Xa inhibitor concentrations. LMWH-calibrated anti-Xa assays should not be used interchangeably across centers or assumed to directly provide a DOAC level in ng/mL. Their performance is assay-, reagent-, analyzer-, and drug-specific, and the IU/mL output requires careful local validation before clinical use. Where a center uses an LMWH-calibrated anti-Xa assay as a surrogate for apixaban, rivaroxaban, or edoxaban measurement, the laboratory should provide assay-specific interpretive guidance, including locally validated cutoffs or approximate conversion ranges to clinically relevant DOAC concentrations, the reportable/roughly linear range, and important limitations. This approach should only be used when such local validation and reporting infrastructure are in place.
Clinically relevant non-major bleed on Edoxaban
- 1
Measure: plasma concentration of DOAC using a specific validated assay (heparin or LMWH anti-Xa, FXaI-specific calibrated anti-Xa) if available with timely results AND the results would change management
See disclaimer
- 2
Determine: whether clinically significant levels of FXaI are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant FXaI levelIncreased
May indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant FXaI levelIncreased
may indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
Heparin or LMWH anti-Xa
Heparin or LMWH anti Xa
<0.1 IU/mL
likely no clinically significant FXaI level>0.1 IU/mL
possible clinically significant FXaI level(assay dependent)
<0.1 IU/mL
THEN
>0.1 IU/mL
THEN(assay dependent)
Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
Calibrated FXaI level
<50 ng/mL
FXaI level less likely to be significantly contributing to impaired hemostasis>50 ng/mL
FXaI level is likely to be significantly contributing to impaired hemostasis
<50 ng/mL
THEN
>50 ng/mL
THEN
Next
Clinically relevant non-major bleed on Edoxaban
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Edoxaban dose:
- —
Creatinine clearance:
- —
- —
And:
CrCl ≥ 50 mL/ min
Half-life is 10-14 hours
Acute or worsening renal dysfunction
Drug exposure may be increased and half-life may be prolonged, particularly with severe renal impairment. No reliable AKI-specific estimate is available.
- 2
If indicated, administer transfusion therapies as per guidelines.
- 3
Seek consultation for investigation and definitive management of bleeding source as appropriate (i.e. endoscopy, interventional radiology, surgery)
Is management complete and bleeding resolved?
Rivaroxaban
Which laboratory tests are available?
- PT/INR
- aPTT
- Heparin or LMWH anti-Xa
- Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Clinically relevant non-major bleed on Rivaroxaban
- 1
Hold: DOAC therapy
- 2
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 3
Measure: hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Disclaimer
DOAC-specific calibrated anti-Xa assays remain the preferred method for measuring direct factor Xa inhibitor concentrations. LMWH-calibrated anti-Xa assays should not be used interchangeably across centers or assumed to directly provide a DOAC level in ng/mL. Their performance is assay-, reagent-, analyzer-, and drug-specific, and the IU/mL output requires careful local validation before clinical use. Where a center uses an LMWH-calibrated anti-Xa assay as a surrogate for apixaban, rivaroxaban, or edoxaban measurement, the laboratory should provide assay-specific interpretive guidance, including locally validated cutoffs or approximate conversion ranges to clinically relevant DOAC concentrations, the reportable/roughly linear range, and important limitations. This approach should only be used when such local validation and reporting infrastructure are in place.
Clinically relevant non-major bleed on Rivaroxaban
- 1
Measure: plasma concentration of DOAC using a specific validated assay (heparin or LMWH anti-Xa, FXaI-specific calibrated anti-Xa) if available with timely results AND the results would change management
See disclaimer
- 2
Determine: whether clinically significant levels of FXaI are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant FXaI levelIncreased
May indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant FXaI levelIncreased
may indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
Heparin or LMWH anti-Xa
Heparin or LMWH anti Xa
<0.1 IU/mL
likely no clinically significant FXaI level>0.1 IU/mL
possible clinically significant FXaI level(assay dependent)
<0.1 IU/mL
THEN
>0.1 IU/mL
THEN(assay dependent)
Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
Calibrated FXaI level
<50 ng/mL
FXaI level less likely to be significantly contributing to impaired hemostasis>50 ng/mL
FXaI level is likely to be significantly contributing to impaired hemostasis
<50 ng/mL
THEN
>50 ng/mL
THEN
Next
Clinically relevant non-major bleed on Rivaroxaban
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Rivaroxaban dose:
- —
Creatinine clearance:
- —
- —
And:
CrCl ≥ 50 mL/ min
Half-life is 7-11 hours
Acute or worsening renal dysfunction
Drug exposure may be increased, although stable renal impairment causes only modest prolongation of the terminal half-life. No reliable AKI-specific estimate is available.
- 2
If indicated, administer transfusion therapies as per guidelines.
- 3
Seek consultation for investigation and definitive management of bleeding source as appropriate (i.e. endoscopy, interventional radiology, surgery)
Is management complete and bleeding resolved?
Dabigatran
Which laboratory tests are available?
- PT/INR
- aPTT
- Dilute TT or Ecarin time
- Thrombin Time
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Clinically relevant non-major bleed on Dabigatran
- 1
Hold: DOAC therapy
- 2
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 3
Measure: hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Clinically relevant non-major bleed on Dabigatran
- 1
Measure: plasma concentration of DOAC using a specific validated assay (Dilute TT OR ECT AND thrombin time) if available with timely results AND the results would change management
- 2
Determine: whether clinically significant levels of Dabigatran are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant Dabigatran levelIncreased
May indicate a clinically significant Dabigatran level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant Dabigatran levelIncreased
may indicate a clinically significant Dabigatran level
Normal
THEN
Increased
THEN
Dilute TT or Ecarin time
Dilute TT or Ecarin time
<50ng/mL
Dabigatran level less likely to be significantly contributing to impaired hemostasis>50ng/mL
Dabigatran level is likely to be significantly contributing to impaired hemostasis
<50ng/mL
THEN
>50ng/mL
THEN
Thrombin Time
Thrombin Time
Normal
no Dabigatran presentIncreased
Some Dabigatran effect
Normal
THEN
Increased
THEN
Next
Clinically relevant non-major bleed on Dabigatran
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Dabigatran dose:
- —
Creatinine clearance:
- —
- —
And:
CrCl >80 mL/min
Half-life is 13.4 hours
CrCl >50 to ≤80 mL/min
Half-life is 15.3 hours
CrCl >30 to ≤50 mL/min
Half-life is 18.4 hours
CrCl ≤30 mL/min
Half-life is 27.2 hours
- 2
If indicated, administer transfusion therapies as per guidelines.
- 3
Seek consultation for investigation and definitive management of bleeding source as appropriate (i.e. endoscopy, interventional radiology, surgery)
Is management complete and bleeding resolved?
Major bleeding
Is major bleeding confirmed?
Yes
What is the DOAC?
Apixaban
Which laboratory tests are available?
- PT/INR
- aPTT
- Heparin or LMWH anti-Xa
- Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Major bleed on Apixaban
- 1
Hold: DOAC therapy
- 2
Initiate: resuscitation in a monitored setting
- 3
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 4
Consult: an expert urgently for advice regarding management of coagulopathy (i.e. hematologist, internist, ER physician, pharmacist) and consult for definitive procedural intervention as applicable (i.e. gastroenterology, interventional radiology, surgery)
- 5
STAT: laboratory testing for hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Disclaimer
DOAC-specific calibrated anti-Xa assays remain the preferred method for measuring direct factor Xa inhibitor concentrations. LMWH-calibrated anti-Xa assays should not be used interchangeably across centers or assumed to directly provide a DOAC level in ng/mL. Their performance is assay-, reagent-, analyzer-, and drug-specific, and the IU/mL output requires careful local validation before clinical use. Where a center uses an LMWH-calibrated anti-Xa assay as a surrogate for apixaban, rivaroxaban, or edoxaban measurement, the laboratory should provide assay-specific interpretive guidance, including locally validated cutoffs or approximate conversion ranges to clinically relevant DOAC concentrations, the reportable/roughly linear range, and important limitations. This approach should only be used when such local validation and reporting infrastructure are in place.
Major bleed on Apixaban
- 1
Measure: plasma concentration of DOAC using a specific validated assay (heparin or LMWH anti-Xa, FXaI-specific calibrated anti-Xa) if available with timely results AND the results would change management
See disclaimer
- 2
Determine: whether clinically significant levels of FXaI are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant FXaI levelIncreased
May indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant FXaI levelIncreased
may indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
Heparin or LMWH anti-Xa
Heparin or LMWH anti Xa
<0.1 IU/mL
likely no clinically significant FXaI level>0.1 IU/mL
possible clinically significant FXaI level(assay dependent)
<0.1 IU/mL
THEN
>0.1 IU/mL
THEN(assay dependent)
Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
Calibrated FXaI level
<30 ng/mL
FXaI level is not significantly contributing to impaired hemostasis30-50ng/mL
FXaI level less likely to be significantly contributing to impaired hemostasis>50 ng/mL
FXaI level is likely to be significantly contributing to impaired hemostasis
<30 ng/mL
THEN
30-50ng/mL
THEN
>50 ng/mL
THEN
Next
Note
<30 ng/mL: Residual FXaI level is unlikely to be a major contributor to ongoing impaired hemostasis. At this level, the DOAC effect alone would generally not justify PCC administration, and management should instead focus on local hemostatic measures, supportive care, source control, transfusion support as needed, and the overall clinical context. This threshold does not exclude all bleeding risk, but it suggests that residual anticoagulant effect is less likely to be the main driver of bleeding.
30 to 50 ng/mL: Residual FXaI level may still be clinically relevant, but this range should be treated as a gray zone. In many patients, especially those without catastrophic bleeding, PCC may still be deferred. However, PCC can be considered when the clinical situation is especially high risk, such as life-threatening bleeding, bleeding at a critical site such as intracranial hemorrhage, or urgent surgery or intervention with very high bleeding risk that cannot be delayed. In this range, interpretation should be individualized and based on the severity of bleeding, the anatomic site, procedural urgency, and whether a specific reversal agent is available.
>50 ng/mL: Residual FXaI level is more likely to be clinically significant and more likely to be contributing meaningfully to impaired hemostasis. In patients with major or life-threatening bleeding, or those requiring urgent or emergency high bleeding risk surgery, this level would support consideration of PCC, particularly when a specific antidote is unavailable. For urgent procedural decision-making, the acceptable threshold may vary with the bleeding risk of the planned intervention, and some situations may justify use of a higher threshold in the 50 to 75 ng/mL range depending on surgical context.
Interpretive note: These thresholds should support, not replace, clinical judgment. Decisions about PCC should still be driven primarily by bleeding severity, bleeding site, procedural urgency, and whether definitive local hemostasis or delay to permit drug clearance is feasible. In general, 50 ng/mL is a reasonable threshold for considering reversal in major bleeding, whereas 30 ng/mL may be considered in particularly severe or life-threatening bleeding.
Major bleed on Apixaban
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Apixaban dose:
- —
Patient’s creatinine clearance:
- —
- —
And:
CrCl ≥ 50 mL/ min
Half-life is 8-12 hours
Acute or worsening renal dysfunction
Drug exposure may be increased and clearance delayed. Published half-life estimates are variable, and no reliable AKI-specific estimate is available.
- 2
If clinically significant FXaI levels are likely to be present based on:
- Age
- Weight
- Renal/hepatic function
- Concurrent interacting medications
- Time since last Apixaban dose
OR level is confirmed using a FXaI-specific assay (levels over 30 to 50ng/mL) - See Note
Protocol directs: Administer PCC
- Dose
2000 units fixed dose or 25-50 units/kg, maximum single dose of 5000 IU
- Safety
Contraindicated in patients with a history of heparin-induced thrombocytopenia
- Note
PCC is not a specific reversal agent but the only available prohemostatic therapy
Is management complete and bleeding resolved?
Edoxaban
Which laboratory tests are available?
- PT/INR
- aPTT
- Heparin or LMWH anti-Xa
- Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Major bleed on Edoxaban
- 1
Hold: DOAC therapy
- 2
Initiate: resuscitation in a monitored setting
- 3
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 4
Consult: an expert urgently for advice regarding management of coagulopathy (i.e. hematologist, internist, ER physician, pharmacist) and consult for definitive procedural intervention as applicable (i.e. gastroenterology, interventional radiology, surgery)
- 5
STAT: laboratory testing for hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Disclaimer
DOAC-specific calibrated anti-Xa assays remain the preferred method for measuring direct factor Xa inhibitor concentrations. LMWH-calibrated anti-Xa assays should not be used interchangeably across centers or assumed to directly provide a DOAC level in ng/mL. Their performance is assay-, reagent-, analyzer-, and drug-specific, and the IU/mL output requires careful local validation before clinical use. Where a center uses an LMWH-calibrated anti-Xa assay as a surrogate for apixaban, rivaroxaban, or edoxaban measurement, the laboratory should provide assay-specific interpretive guidance, including locally validated cutoffs or approximate conversion ranges to clinically relevant DOAC concentrations, the reportable/roughly linear range, and important limitations. This approach should only be used when such local validation and reporting infrastructure are in place.
Major bleed on Edoxaban
- 1
Measure: plasma concentration of DOAC using a specific validated assay (heparin or LMWH anti-Xa, FXaI-specific calibrated anti-Xa) if available with timely results AND the results would change management
See disclaimer
- 2
Determine: whether clinically significant levels of FXaI are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant FXaI levelIncreased
May indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant FXaI levelIncreased
may indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
Heparin or LMWH anti-Xa
Heparin or LMWH anti Xa
<0.1 IU/mL
likely no clinically significant FXaI level>0.1 IU/mL
possible clinically significant FXaI level(assay dependent)
<0.1 IU/mL
THEN
>0.1 IU/mL
THEN(assay dependent)
Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
Calibrated FXaI level
<30 ng/mL
FXaI level is not significantly contributing to impaired hemostasis30-50ng/mL
FXaI level less likely to be significantly contributing to impaired hemostasis>50 ng/mL
FXaI level is likely to be significantly contributing to impaired hemostasis
<30 ng/mL
THEN
30-50ng/mL
THEN
>50 ng/mL
THEN
Next
Note
<30 ng/mL: Residual FXaI level is unlikely to be a major contributor to ongoing impaired hemostasis. At this level, the DOAC effect alone would generally not justify PCC administration, and management should instead focus on local hemostatic measures, supportive care, source control, transfusion support as needed, and the overall clinical context. This threshold does not exclude all bleeding risk, but it suggests that residual anticoagulant effect is less likely to be the main driver of bleeding.
30 to 50 ng/mL: Residual FXaI level may still be clinically relevant, but this range should be treated as a gray zone. In many patients, especially those without catastrophic bleeding, PCC may still be deferred. However, PCC can be considered when the clinical situation is especially high risk, such as life-threatening bleeding, bleeding at a critical site such as intracranial hemorrhage, or urgent surgery or intervention with very high bleeding risk that cannot be delayed. In this range, interpretation should be individualized and based on the severity of bleeding, the anatomic site, procedural urgency, and whether a specific reversal agent is available.
>50 ng/mL: Residual FXaI level is more likely to be clinically significant and more likely to be contributing meaningfully to impaired hemostasis. In patients with major or life-threatening bleeding, or those requiring urgent or emergency high bleeding risk surgery, this level would support consideration of PCC, particularly when a specific antidote is unavailable. For urgent procedural decision-making, the acceptable threshold may vary with the bleeding risk of the planned intervention, and some situations may justify use of a higher threshold in the 50 to 75 ng/mL range depending on surgical context.
Interpretive note: These thresholds should support, not replace, clinical judgment. Decisions about PCC should still be driven primarily by bleeding severity, bleeding site, procedural urgency, and whether definitive local hemostasis or delay to permit drug clearance is feasible. In general, 50 ng/mL is a reasonable threshold for considering reversal in major bleeding, whereas 30 ng/mL may be considered in particularly severe or life-threatening bleeding.
Major bleed on Edoxaban
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Edoxaban dose:
- —
Patient’s creatinine clearance:
- —
- —
And:
CrCl ≥ 50 mL/ min
Half-life is 10-14 hours
Acute or worsening renal dysfunction
Drug exposure may be increased and half-life may be prolonged, particularly with severe renal impairment. No reliable AKI-specific estimate is available.
- 2
If clinically significant FXaI levels are likely to be present based on:
- Age
- Weight
- Renal/hepatic function
- Concurrent interacting medications
- Time since last Edoxaban dose
OR level is confirmed using a FXaI-specific assay (levels over 30 to 50ng/mL) - See Note
Protocol directs: Administer PCC
- Dose
2000 units fixed dose or 25-50 units/kg, maximum single dose of 5000 IU
- Safety
Contraindicated in patients with a history of heparin-induced thrombocytopenia
- Note
PCC is not a specific reversal agent but the only available prohemostatic therapy
Is management complete and bleeding resolved?
Rivaroxaban
Which laboratory tests are available?
- PT/INR
- aPTT
- Heparin or LMWH anti-Xa
- Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Major bleed on Rivaroxaban
- 1
Hold: DOAC therapy
- 2
Initiate: resuscitation in a monitored setting
- 3
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 4
Consult: an expert urgently for advice regarding management of coagulopathy (i.e. hematologist, internist, ER physician, pharmacist) and consult for definitive procedural intervention as applicable (i.e. gastroenterology, interventional radiology, surgery)
- 5
STAT: laboratory testing for hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Disclaimer
DOAC-specific calibrated anti-Xa assays remain the preferred method for measuring direct factor Xa inhibitor concentrations. LMWH-calibrated anti-Xa assays should not be used interchangeably across centers or assumed to directly provide a DOAC level in ng/mL. Their performance is assay-, reagent-, analyzer-, and drug-specific, and the IU/mL output requires careful local validation before clinical use. Where a center uses an LMWH-calibrated anti-Xa assay as a surrogate for apixaban, rivaroxaban, or edoxaban measurement, the laboratory should provide assay-specific interpretive guidance, including locally validated cutoffs or approximate conversion ranges to clinically relevant DOAC concentrations, the reportable/roughly linear range, and important limitations. This approach should only be used when such local validation and reporting infrastructure are in place.
Major bleed on Rivaroxaban
- 1
Measure: plasma concentration of DOAC using a specific validated assay (heparin or LMWH anti-Xa, FXaI-specific calibrated anti-Xa) if available with timely results AND the results would change management
See disclaimer
- 2
Determine: whether clinically significant levels of FXaI are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant FXaI levelIncreased
May indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant FXaI levelIncreased
may indicate a clinically significant FXaI level
Normal
THEN
Increased
THEN
Heparin or LMWH anti-Xa
Heparin or LMWH anti Xa
<0.1 IU/mL
likely no clinically significant FXaI level>0.1 IU/mL
possible clinically significant FXaI level(assay dependent)
<0.1 IU/mL
THEN
>0.1 IU/mL
THEN(assay dependent)
Calibrated FXaI level (anti-Xa assay with FXaI-specific calibrators)
Calibrated FXaI level
<30 ng/mL
FXaI level is not significantly contributing to impaired hemostasis30-50ng/mL
FXaI level less likely to be significantly contributing to impaired hemostasis>50 ng/mL
FXaI level is likely to be significantly contributing to impaired hemostasis
<30 ng/mL
THEN
30-50ng/mL
THEN
>50 ng/mL
THEN
Next
Note
<30 ng/mL: Residual FXaI level is unlikely to be a major contributor to ongoing impaired hemostasis. At this level, the DOAC effect alone would generally not justify PCC administration, and management should instead focus on local hemostatic measures, supportive care, source control, transfusion support as needed, and the overall clinical context. This threshold does not exclude all bleeding risk, but it suggests that residual anticoagulant effect is less likely to be the main driver of bleeding.
30 to 50 ng/mL: Residual FXaI level may still be clinically relevant, but this range should be treated as a gray zone. In many patients, especially those without catastrophic bleeding, PCC may still be deferred. However, PCC can be considered when the clinical situation is especially high risk, such as life-threatening bleeding, bleeding at a critical site such as intracranial hemorrhage, or urgent surgery or intervention with very high bleeding risk that cannot be delayed. In this range, interpretation should be individualized and based on the severity of bleeding, the anatomic site, procedural urgency, and whether a specific reversal agent is available.
>50 ng/mL: Residual FXaI level is more likely to be clinically significant and more likely to be contributing meaningfully to impaired hemostasis. In patients with major or life-threatening bleeding, or those requiring urgent or emergency high bleeding risk surgery, this level would support consideration of PCC, particularly when a specific antidote is unavailable. For urgent procedural decision-making, the acceptable threshold may vary with the bleeding risk of the planned intervention, and some situations may justify use of a higher threshold in the 50 to 75 ng/mL range depending on surgical context.
Interpretive note: These thresholds should support, not replace, clinical judgment. Decisions about PCC should still be driven primarily by bleeding severity, bleeding site, procedural urgency, and whether definitive local hemostasis or delay to permit drug clearance is feasible. In general, 50 ng/mL is a reasonable threshold for considering reversal in major bleeding, whereas 30 ng/mL may be considered in particularly severe or life-threatening bleeding.
Major bleed on Rivaroxaban
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Rivaroxaban dose:
- —
Patient’s creatinine clearance:
- —
- —
And:
CrCl ≥ 50 mL/ min
Half-life is 7-11 hours
Acute or worsening renal dysfunction
Drug exposure may be increased, although stable renal impairment causes only modest prolongation of the terminal half-life. No reliable AKI-specific estimate is available.
- 2
If clinically significant FXaI levels are likely to be present based on:
- Age
- Weight
- Renal/hepatic function
- Concurrent interacting medications
- Time since last Rivaroxaban dose
OR level is confirmed using a FXaI-specific assay (levels over 30 to 50ng/mL) - See Note
Protocol Directs: Administer PCC
- Dose
2000 units fixed dose or 25-50 units/kg, maximum single dose of 5000 IU
- Safety
Contraindicated in patients with a history of heparin-induced thrombocytopenia
- Note
PCC is not a specific reversal agent but the only available prohemostatic therapy
Is management complete and bleeding resolved?
Dabigatran
Which laboratory tests are available?
- PT/INR
- aPTT
- Thrombin time
- Dilute TT or Ecarin time
When was the timing of the last DOAC dose?
Next
Creatinine clearance (mL/min)
Next
- Thrombosis Canada, 2025
Major bleed on Dabigatran
- 1
Hold: DOAC therapy
- 2
Initiate: resuscitation in a monitored setting
- 3
Apply: local hemostatic measures if appropriate (i.e. compression, packing, suturing)
- 4
Consult: an expert urgently for advice regarding management of coagulopathy (i.e. hematologist, internist, ER physician, pharmacist) and consult for definitive procedural intervention as applicable (i.e. gastroenterology, interventional radiology, surgery)
- 5
STAT: laboratory testing for hemoglobin, platelet count, coagulation tests (PT/INR, aPTT), creatinine, liver function tests, group and screen (as appropriate)
Next
Major bleed on Dabigatran
- 1
Measure: plasma concentration of DOAC using a specific validated assay (Dilute TT OR ECT AND thrombin time) if available with timely results AND the results would change management
- 2
Determine: whether clinically significant levels of Dabigatran are likely to be present
PT/INR
PT/INR
Normal
does NOT exclude a clinically significant Dabigatran levelIncreased
May indicate a clinically significant Dabigatran level
Normal
THEN
Increased
THEN
aPTT
aPTT
Normal
Does NOT exclude a clinically significant Dabigatran levelIncreased
may indicate a clinically significant Dabigatran level
Normal
THEN
Increased
THEN
Thrombin time
Thrombin time
Normal
No Dabigatran presentIncrease
Some Dabigatran effect
Normal
THEN
Increase
THEN
Dilute TT or Ecarin time
Dilute TT or Ecarin time
<30 ng/mL
Dabigatran level is not significantly contributing to impaired hemostasis30-50ng/mL
Dabigatran level less likely to be significantly contributing to impaired hemostasis>50 ng/mL
Dabigatran level is likely to be significantly contributing to impaired hemostasis
<30 ng/mL
THEN
30-50ng/mL
THEN
>50 ng/mL
THEN
Next
Note
<30 ng/mL: Residual Dabigatran level is unlikely to be a major contributor to ongoing impaired hemostasis. At this level, the DOAC effect alone would generally not justify PCC administration, and management should instead focus on local hemostatic measures, supportive care, source control, transfusion support as needed, and the overall clinical context. This threshold does not exclude all bleeding risk, but it suggests that residual anticoagulant effect is less likely to be the main driver of bleeding.
30 to 50 ng/mL: Residual Dabigatran level may still be clinically relevant, but this range should be treated as a gray zone. In many patients, especially those without catastrophic bleeding, PCC may still be deferred. However, PCC can be considered when the clinical situation is especially high risk, such as life-threatening bleeding, bleeding at a critical site such as intracranial hemorrhage, or urgent surgery or intervention with very high bleeding risk that cannot be delayed. In this range, interpretation should be individualized and based on the severity of bleeding, the anatomic site, procedural urgency, and whether a specific reversal agent is available.
>50 ng/mL: Residual Dabigatran level is more likely to be clinically significant and more likely to be contributing meaningfully to impaired hemostasis. In patients with major or life-threatening bleeding, or those requiring urgent or emergency high bleeding risk surgery, this level would support consideration of PCC, particularly when a specific antidote is unavailable. For urgent procedural decision-making, the acceptable threshold may vary with the bleeding risk of the planned intervention, and some situations may justify use of a higher threshold in the 50 to 75 ng/mL range depending on surgical context.
Interpretive note: These thresholds should support, not replace, clinical judgment. Decisions about PCC should still be driven primarily by bleeding severity, bleeding site, procedural urgency, and whether definitive local hemostasis or delay to permit drug clearance is feasible. In general, 50 ng/mL is a reasonable threshold for considering reversal in major bleeding, whereas 30 ng/mL may be considered in particularly severe or life-threatening bleeding.
Major bleed on Dabigatran
- 1
Determine the expected rate of drug clearance based on:
Time elapsed since last Dabigatran dose:
- —
Patient’s creatinine clearance:
- —
- —
And:
CrCl >80 mL/min
Half-life is 13.4 hours
CrCl >50 to ≤80 mL/min
Half-life is 15.3 hours
CrCl >30 to ≤50 mL/min
Half-life is 18.4 hours
CrCl ≤30 mL/min
Half-life is 27.2 hours
- 2
If clinically significant Dabigatran levels are likely to be present based on:
- Age
- Weight
- Renal/hepatic function
- Concurrent interacting medications
- Time since last Dabigatran dose
OR level is confirmed using a specific assay (levels over 30 to 50ng/mL) - See Note
Protocol directs: Administer Idarucizumab
Specific reversal agent
- Dose
5 g IV (2 x 2.5 g vials)
Note
aPCC may be used if PCC unavailable
Protocol directs: Administer PCC
If specific reversal is not available
- Dose
2000 units fixed dose or 25-50 units/kg, maximum single dose of 5000 IU
- Safety
Contraindicated in patients with a history of heparin-induced thrombocytopenia
Is management complete and bleeding resolved?
Surgery on DOAC
Large/ academic hospital
What type of patient is being managed?
Pediatric patient
- MHP 2.0
- ORBCoN MHP Toolkit, 2020
Initial management
- 1
Identify source, attempt local control of hemorrhage, and engage definitive hemorrhage control staff (i.e. trauma surgeon/OR/IR)
- 2
Obtain IV/IO access
- 3
Consider TXA 30 mg/kg (max 2 g) and infusion of 10 mg/kg/hr IV/IO
- 4
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 5
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs)
- 6
Transfuse all of “Cooler 1” (20 mL/kg per dose) BEFORE “Cooler 2”, UNLESS lab results direct otherwise
Weight
Cooler 1
Cooler 2
Cooler 3
Cooler 4+
> 40kg
4U RBC
4U RBC,
4U Octaplasma
4U RBC
2U Octaplasma
4g FC
4U RBC
2U Octaplasma
31-40kg
3U RBC
3U RBC
3U Octaplasma
3U RBC
2U Octaplasma
2g FC
3U RBC
2U Octaplasma
10-30kg
2U RBC
2U RBC
2U Octaplasma
2U RBC
1U Octaplasma
2g FC
2U RBC
1U Octaplasma
<10kg
1U RBC
1U RBC
1U Octaplasma
1U RBC
1U Octaplasma
1g FC
1U RBC
1U Octaplasma
For coolers 2+ adjust RBC: Plasma ratio 1-2:1 (weight-based dosing) as needed UNTIL lab directed dosing possible.
Administer O Negative for females, otherwise O Positive RBC
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80g/L
RBC 20mL/kg per dose
(max 1 unit, ~287mL)
INR ≥ 1.8
Octaplasma 10-20mL/kg per dose
Fibrinogen <1.5 g/L
FC 50mg/kg, max 4g
(max 2g if <30kg)
Platelets < 50 x 10⁹/L
Platelets 10 mL/kg per dose
- 7
Limit use of crystalloids
- 8
Administer calcium chloride 20 mg/kg (max 1g) or calcium gluconate 60 mg/kg IV (max 3g)
- 9
Reverse anticoagulation if applicable
Warfarin
Vitamin K 1-10mg (neonate to adolescent) IV over 10 min & PCC 15IU/kg for INR <3 (or unknown) & 30IU/kg if INR ≥ 3 (max 2000 IU)
Thrombin/ Factor Xa inhibitors or Heparins
Consult with hematologist and/or call pharmacy for dosing
- 10
Transfer for definitive bleeding control
Is initial management complete?
Yes
Assessment every 30-60 minutes
- 1
Can MHP be turned off? Can patient be switched to laboratory directed transfusion? Consider: bleeding controlled? Hemodynamics stable?
- 2
Is patient’s core temperature >36°C?
- 3
Are blood samples collected q30-60 mins? Is the transfusion of products adjusted?
- 4
Administer calcium chloride 20 mg/kg (max 1 g) or gluconate 60 mg/Kg IV (max 3 g) after each RBC equivalent of one cooler (or up to a maximum of 4U RBC) transfused or ionized calcium <1.15 mmol/L
- 5
Monitor for complications (ex. hyperkalemia, hypothermia and volume overload)
- 6
Is resuscitation adequate? (ex. hemodynamics, lactate, base deficit, account for traumatic brain injury)
- 7
Switch to group specific blood products when possible
Can the MHP be deactivated?
Yes
Termination
- 1
Deactivate MHP as per local policy
- 2
Perform bedside termination checklist
- 3
Inform family member and SDM of needing MHP
- 4
Ensure coolers and unused MHP components are returned to transfusion medicine lab ASAP
- 5
Complete documentation and hand-over
Scenario complete
Reset to start over or to select another scenario
Adult patient
Does the uncontrolled severe bleeding arise in the course of a surgical intervention (e.g., caesarean section, intra-operative)?
Yes
Is the coagulopathy attributable to a vitamin K antagonist (e.g., warfarin) requiring rapid reversal or bleeding in cardiac surgery?
Yes
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
- Fibryga PM, 2025
- Octaplex PM, 2026
Initial management
- 1
Identify source, attempt local control of hemorrhage, and engage definitive hemorrhage control staff (i.e. trauma surgeon/OR/IR)
- 2
Obtain IV/IO access
- 3
Consider TXA total dose of 2g IV/IO
- 4
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 5
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 6
Transfuse 1U RBC with rapid infuser as needed for blood pressure or hemoglobin targets
Cooler 1
4U RBC
Cooler 2
4U RBC
4U Octaplasma
Cooler 3
4U RBC
2U Octaplasma
Cooler 4+
4U RBC
2U Octaplasma
Administer O Negative RBC for females <45, otherwise O Positive RBC
*At centers without available fibrinogen testing: the clinician may administer Fibryga based on clinical evidence of microvascular coagulopathy (e.g. oozing from IV sites) or profound hemodynamic instability where hypofibrinogenemia is predicted.
Platelets and Fibryga should be transfused based on hourly laboratory test results.
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4U
Fibrinogen < 1.5 g/L*
Fibryga 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium <1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g
*Less than 2.0 for post-partum hemorrhage
ROTEM triggers if available
If
Then
EXTEM CT > 80
Octaplasma 4U
EXTEM A10 < 35
Platelets 1 adult dose
FIBTEM A10 < 8-10
Fibryga 4g
- 7
Limit use of crystalloids
- 8
Calcium chloride 1g IV
- 9
Reverse anticoagulation if applicable
Warfarin
Octaplex 2000 IU IV over 10 min
Vitamin K 10mg IV over 10 min
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 min
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 10
Transfer for definitive bleeding control
Is initial management complete?
Yes
Assessment every 30-60 minutes
- 1
Can MHP be turned off? Can patient be switched to laboratory directed transfusion? Consider: bleeding controlled? Hemodynamics stable?
- 2
Is the next cooler needed?
- 3
Is patient’s core temperature >36°C?
- 4
Are blood samples collected q30-60 mins? Is the transfusion of products adjusted?
- 5
Administer calcium chloride 1g IV for every 4 RBC or ionized calcium < 1.15L
- 6
Monitor for complications (ex. hyperkalemia, hypothermia and volume overload)
- 7
Is resuscitation adequate? (ex. hemodynamics, lactate, base deficit, account for traumatic brain injury)
- 8
Switch to group specific blood products when able
Can the MHP be deactivated?
Yes
Termination:
- 1
Deactivate MHP as per local policy
- 2
Perform bedside termination checklist
- 3
Inform family member and SDM of needing MHP
- 4
Ensure coolers and unused MHP components are returned to transfusion medicine lab ASAP
- 5
Complete documentation and hand-over
Scenario complete
Reset to start over or to select another scenario
No
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
- Fibryga PM, 2025
Initial management
- 1
Identify source, attempt local control of hemorrhage, and engage definitive hemorrhage control staff (i.e. trauma surgeon/OR/IR)
- 2
Obtain IV/IO access
- 3
Consider TXA total dose of 2g IV/IO
- 4
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 5
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 6
Transfuse 1U RBC with rapid infuser as needed for blood pressure or hemoglobin targets
Cooler 1
4U RBC
Cooler 2
4U RBC
4U Octaplasma
Cooler 3
4U RBC
2U Octaplasma
Cooler 4+
4U RBC
2U Octaplasma
Administer O Negative RBC for females <45, otherwise O Positive RBC
*At centers without available fibrinogen testing: the clinician may administer Fibryga based on clinical evidence of microvascular coagulopathy (e.g. oozing from IV sites) or profound hemodynamic instability where hypofibrinogenemia is predicted.
Platelets and Fibryga should be transfused based on hourly laboratory test results.
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4U
Fibrinogen < 1.5 g/L*
Fibryga 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium <1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g
*Less than 2.0 for post-partum hemorrhage
ROTEM triggers if available
If
Then
EXTEM CT > 80
Octaplasma 4U
EXTEM A10 < 35
Platelets 1 adult dose
FIBTEM A10 < 8-10
Fibryga 4g
- 7
Limit use of crystalloids
- 8
Calcium chloride 1g IV
- 9
Reverse anticoagulation if applicable
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 min
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 10
Transfer for definitive bleeding control
Is initial management complete?
No
Is the coagulopathy attributable to a vitamin K antagonist (e.g., warfarin) requiring rapid reversal or bleeding in cardiac surgery?
Yes
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
- Octaplex PM, 2026
Initial management
- 1
Identify source, attempt local control of hemorrhage, and engage definitive hemorrhage control staff (i.e. trauma surgeon/OR/IR)
- 2
Obtain IV/IO access
- 3
Consider TXA total dose of 2g IV/IO
- 4
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 5
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 6
Transfuse 1U RBC with rapid infuser as needed for blood pressure or hemoglobin targets
Cooler 1
4U RBC
Cooler 2
4U RBC
4U Octaplasma
Cooler 3
4U RBC
2U Octaplasma
Cooler 4+
4U RBC
2U Octaplasma
Administer O Negative RBC for females <45, otherwise O Positive RBC
*At centers without available fibrinogen testing: the clinician may administer Fibrinogen based on clinical evidence of microvascular coagulopathy (e.g. oozing from IV sites) or profound hemodynamic instability where hypofibrinogenemia is predicted.
Platelets and Fibrinogen should be transfused based on hourly laboratory test results.
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4u
Fibrinogen < 1.5 g/L*
FC 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium <1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g
*Less than 2.0 for post-partum hemorrhage
ROTEM triggers if available
If
Then
EXTEM CT > 80
Octaplasma 4U
EXTEM A10 < 35
Platelets 1 adult dose
FIBTEM A10 < 8-10
FC 4g
- 7
Limit use of crystalloids
- 8
Calcium chloride 1g IV
- 9
Reverse anticoagulation if applicable
Warfarin
Octaplex 2000 IU IV over 10 min
Vitamin K 10mg IV over 10 min
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 min
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 10
Transfer for definitive bleeding control
Is initial management complete?
No
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
Initial management
- 1
Identify source, attempt local control of hemorrhage, and engage definitive hemorrhage control staff (i.e. trauma surgeon/OR/IR)
- 2
Obtain IV/IO access
- 3
Consider TXA total dose of 2g IV/IO
- 4
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 5
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 6
Transfuse 1U RBC with rapid infuser as needed for blood pressure or hemoglobin targets
Cooler 1
4U RBC
Cooler 2
4U RBC
4U Octaplasma
Cooler 3
4U RBC
2U Octaplasma
Cooler 4+
4U RBC
2U Octaplasma
Administer O Negative RBC for females <45, otherwise O Positive RBC
*At centers without available fibrinogen testing: the clinician may administer Fibrinogen based on clinical evidence of microvascular coagulopathy (e.g. oozing from IV sites) or profound hemodynamic instability where hypofibrinogenemia is predicted.
Platelets and Fibrinogen should be transfused based on hourly laboratory test results.
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4u
Fibrinogen < 1.5 g/L*
FC 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium <1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g
*Less than 2.0 for post-partum hemorrhage
ROTEM triggers if available
If
Then
EXTEM CT > 80
Octaplasma 4U
EXTEM A10 < 35
Platelets 1 adult dose
FIBTEM A10 < 8-10
FC 4g
- 7
Limit use of crystalloids
- 8
Calcium chloride 1g IV
- 9
Reverse anticoagulation if applicable
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 min
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 10
Transfer for definitive bleeding control
Is initial management complete?
Community/ smaller hospital setting that cannot provide plasma
What type of patient is being managed?
Pediatric patient
- MHP 2.0
- ORBCoN MHP Toolkit, 2020
Initial management
- 1
Call for early transfer to pediatric trauma hospital and engage appropriate transport service
- 2
Identify source and attempt local control of hemorrhage
- 3
Obtain IV/IO access
- 4
Consider TXA 30 mg/kg (max 2 g) and infusion of 10 mg/kg/hr IV/IO
- 5
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 6
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 7
Transfuse all of “Cooler 1” RBCs (20 ml/Kg per dose) BEFORE “Cooler 2” UNLESS lab results direct otherwise
Weight
Cooler 1
Cooler 2+
> 40kg
4U RBC
4U RBC, 2000 IU PCC, 4g FC
31-40kg
3U RBC
3U RBC, 1000 IU PCC, 2g FC
10-30kg
2U RBC
2U RBC, 1000 IU PCC, 2g FC
<10kg
1U RBC
1U RBC, 500 IU PCC, 1g FC
Administer O Negative for females, otherwise O Positive RBC
Fibrinogen should be given concurrently with PCC unless the fibrinogen level is known to be >1.5 g/L
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80g/L
RBC 20mL/kg per dose
(max 1 unit, ~287mL)
INR ≥ 1.8
PCC 25 IU/kg (rounded to closest 500 IU), max 2000 IU
Fibrinogen <1.5 g/L
FC 50mg/kg, max 4g (max 2g if <30kg)
Platelets < 50 x 10⁹/L
Platelets 10 mL/kg per dose
- 8
Limit use of crystalloids
- 9
Administer calcium chloride 20 mg/kg (max 1g) or calcium gluconate 60 mg/kg IV (max 3g)
- 10
Reverse anticoagulation if applicable
Warfarin
Vitamin K 1-10mg (neonate to adolescent) IV over 10 min & PCC 15IU/kg for INR <3 (or unknown) & 30IU/kg if INR ≥ 3 (max 2000 IU)
Thrombin/ Factor Xa inhibitors or Heparins
Consult with hematologist and/or call pharmacy for dosing
- 11
Transfer for definitive bleeding control
Is initial management complete?
Yes
Assessment every 30-60 minutes
- 1
Can MHP be turned off? Can patient be switched to laboratory directed transfusion? Consider: bleeding controlled? Hemodynamics stable?
- 2
Is patient’s core temperature >36°C?
- 3
Are blood samples collected q30-60 mins? Is the transfusion of products adjusted?
- 4
Administer calcium chloride 20 mg/kg (max 1 g) or gluconate 60 mg/Kg IV (max 3 g) after each RBC equivalent of one cooler (or up to a maximum of 4U RBC) transfused or ionized calcium <1.15 mmol/L
- 5
Monitor for complications (ex. hyperkalemia, hypothermia and volume overload)
- 6
Is resuscitation adequate? (ex. hemodynamics, lactate, base deficit, account for traumatic brain injury)
- 7
Switch to group specific blood products when able
Can the MHP be deactivated?
Yes
Termination
- 1
Deactivate MHP as per local policy
- 2
Perform bedside termination checklist
- 3
Inform family member and SDM of needing MHP
- 4
Ensure coolers and unused MHP components are returned to transfusion medicine lab ASAP
- 5
Complete documentation and hand-over
Scenario complete
Reset to start over or to select another scenario
Adult patient
Does the uncontrolled severe bleeding arise in the course of a surgical intervention (e.g., caesarean section, intra-operative)?
Yes
Is the coagulopathy attributable to a vitamin K antagonist (e.g., warfarin) requiring rapid reversal or bleeding in cardiac surgery?
Yes
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
- Fibryga PM, 2025
- Octaplex PM, 2026
Initial management
- 1
Call for early transfer to tertiary care center and engage appropriate transport service
- 2
Identify source and attempt local control of hemorrhage
- 3
Obtain IV/IO access
- 4
Consider TXA total dose of 2g IV/IO
- 5
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 6
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 7
Transfuse 1U RBC with rapid infuser as needed for blood pressure or hemoglobin targets
Administer O Negative RBC for females <45, otherwise O Positive RBC
Fibryga should be given concurrently with Octaplex unless the fibrinogen level is known to be >1.5g/L
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4U
Fibrinogen < 1.5 g/L*
Fibryga 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium < 1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g IV
*Less than 2.0 for post-partum hemorrhage
- 8
Limit use of crystalloids
- 9
Calcium chloride 1g IV
- 10
Reverse anticoagulation if applicable
Warfarin
Octaplex 2000 IU IV over 10 min
Vitamin K 10mg IV over 10 min
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 mins
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 11
Transfer patient via EMS/ critical care ambulance for definitive bleeding control
Is initial management complete?
yes
Assessment every 30-60 minutes
- 1
Can MHP be turned off? Can patient be switched to laboratory directed transfusion? Consider: bleeding controlled? Hemodynamics stable?
- 2
Is the next cooler needed?
- 3
Is patient’s core temperature >36°C?
- 4
Are blood samples collected q30-60 mins? Is the transfusion of products adjusted?
- 5
Administer calcium chloride 1g IV for every 4 RBC or ionized calcium < 1.15L
- 6
Monitor for complications (ex. hyperkalemia, hypothermia and volume overload)
- 7
Is resuscitation adequate? (ex. hemodynamics, lactate, base deficit, account for traumatic brain injury)
- 8
Switch to group specific blood products when able
Can the MHP be deactivated?
Yes
Termination:
- 1
Deactivate MHP as per local policy
- 2
Perform bedside termination checklist
- 3
Inform family member and SDM of needing MHP
- 4
Ensure coolers and unused MHP components are returned to transfusion medicine lab ASAP
- 5
Complete documentation and hand-over
Scenario complete
Reset to start over or to select another scenario
No
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
- Fibryga PM, 2025
Initial management
- 1
Call for early transfer to tertiary care center and engage appropriate transport service
- 2
Identify source and attempt local control of hemorrhage
- 3
Obtain IV/IO access
- 4
Consider TXA total dose of 2g IV/IO
- 5
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 6
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 7
Transfuse 4U RBC with rapid infuser
Cooler 1
4U RBC
Cooler 2+
4U RBC 4U
2000 IU PCC
4g Fibryga
Administer O Negative RBC for females <45, otherwise O Positive RBC
Fibryga should be given concurrently with PCC unless the fibrinogen level is known to be >1.5g/L
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4U
Fibrinogen < 1.5 g/L*
Fibryga 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium <1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g IV
*Less than 2.0 for post-partum hemorrhage
- 8
Limit use of crystalloids
- 9
Calcium chloride 1g IV
- 10
Reverse anticoagulation if applicable
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 mins
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 11
Transfer patient via EMS/ critical care ambulance for definitive bleeding control
Is initial management complete?
No
Is the coagulopathy attributable to a vitamin K antagonist (e.g., warfarin) requiring rapid reversal or bleeding in cardiac surgery?
Yes
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
- Octaplex PM, 2026
Initial management
- 1
Call for early transfer to tertiary care center
- 2
Identify source and attempt local control of hemorrhage and engage appropriate transport service
- 3
Obtain IV/IO access
- 4
Consider TXA total dose of 2g IV/IO
- 5
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 6
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 7
Transfuse 4U RBC with rapid infuser
Cooler 1
4U RBC
Cooler 2+
4U RBC 4U
2000 IU Octaplex
4g FC
Administer O Negative RBC for females <45, otherwise O Positive RBC
Fibrinogen should be given concurrently with Octaplex unless the fibrinogen level is known to be >1.5g/L
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4U
Fibrinogen < 1.5 g/L*
FC 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium <1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g IV
*Less than 2.0 for post-partum hemorrhage
- 8
Limit use of crystalloids
- 9
Calcium chloride 1g IV
- 10
Reverse anticoagulation if applicable
Warfarin
Octaplex 2000 IU IV over 10 min
Vitamin K 10mg IV over 10 min
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 mins
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 11
Transfer patient via EMS/ critical care ambulance for definitive bleeding control
Is initial management complete?
No
- MHP 2.0, 2025
- ORBCoN MHP Toolkit, 2020
Initial management
- 1
Call for early transfer to tertiary care center and engaged appropriate transport service
- 2
Identify source and attempt local control of hemorrhage
- 3
Obtain IV/IO access
- 4
Consider TXA total dose of 2g IV/IO
- 5
Measure temperature, prevent hypothermia and achieve normothermia (>36⁰C).
- 6
Complete laboratory testing at baseline and at a minimum hourly until the protocol is terminated.
I.e. CBC, PT/INR, aPTT, fibrinogen, electrolytes, calcium (ionized), arterial or venous blood gas (pH and base excess), lactate, blood glucose, group and screen (with initial labs).
- 7
Transfuse 4U RBC with rapid infuser
Cooler 1
4U RBC
Cooler 2+
4U RBC
2000 IU PCC
4g FC
Administer O Negative RBC for females <45, otherwise O Positive RBC
Fibrinogen should be given concurrently with PCC unless the fibrinogen level is known to be >1.5g/L
Laboratory guided transfusion once available and bleeding rate controlled
If
Then
Hgb < 80 g/L
RBC 2U
INR ≥ 1.8
Octaplasma 4U
Fibrinogen < 1.5 g/L*
FC 4g
Platelets < 50 x 10⁹/L
Platelets 1 adult dose
Ionized calcium <1.15 mmol/L
Calcium chloride 1g or Calcium gluconate 3g IV
*Less than 2.0 for post-partum hemorrhage
- 8
Limit use of crystalloids
- 9
Calcium chloride 1g IV
- 10
Reverse anticoagulation if applicable
Dabigatran
Idarucizumab 5g IV over 10 min
If unavailable, PCC 2000 IU IV over 10 mins
Apixaban
Rivaroxaban
Edoxaban
PCC 2000 IU IV over 10 mins
Repeat in 1 hour if bleeding continues
Heparins
Call pharmacy for protamine dosing
- 11
Transfer patient via EMS/ critical care ambulance for definitive bleeding control
Is initial management complete?
Cardiac Surgery
What is the situation?
Preparing for a bleed
- TGH algorithm
PATIENT COMING OFF BYPASS
- 1
Measure CBC
- 2
If CPB duration is >150 minutes, measure ROTEM/TEG/ INR (based on available testing)
AFTER COMING OFF BYPASS
- 1
Administer Protamine when appropriate to reverse Heparin at <1mg per 100 U of the initial heparin dose
- 2
If ACT is not normalized ± 10% of baseline, administer additional protamine
- 3
Optimize temperature (>36°C), pH (>7.2), iCa (>1.0 mmol/L) and Hgb (>75 g/L)
- 4
Continue antifibrinolytics
ASSESS BLEEDING SEVERITY SCORE (BSS)
- 1
If BSS < 2 no action
- 2
If BSS ≥ 2, measure ROTEM/ TEG/ INR (based on available testing) if was not measured or was normal at re-warming
What is the bleeding severity score?
BSS < 2
No transfusion required
Scenario complete
Reset to start over or to select another scenario
BSS ≥ 2
What point-of-care testing is available?
ROTEM
- FARES-II, 2025
- FIBRES, 2019
- TGH Algorithm
- SCA, 2019
- Octaplex PM, 2026
- Fibryga PM, 2025
ROTEM thresholds
As directed by protocol
[HEPTEM CT/ INTEM CT] <0.9
Protamine10-50 mg prn
A10-FIBTEM ≤ 10mm
4g, re-dose as needed
CT-EXTEM > 100s
1500 IU if IBW < 60kg and 2000 IU if IBW ≥ 60kg. Not recommended if HIT is present. Re-dose only once, then use Octaplasma if needed..
A10-EXTEM < 40 mm and A10-FIBTEM > 10mm
Platelets1 adult dose, re-dose as needed
INTEM or EXTEM ML > 7% at 30 min or >15% at 60 min
Aminocaproic Acid or Tranexamic AcidDose and re-dose according to what has been administered.
Hgb <80 g/L
RBCOne unit at a time, followed by clinical reassessment
[HEPTEM CT/ INTEM CT] <0.9
Administer10-50 mg prn
A10-FIBTEM ≤ 10mm
Administer4g, re-dose as needed
CT-EXTEM > 100s
Administer1500 IU if IBW < 60kg and 2000 IU if IBW ≥ 60kg. Not recommended if HIT is present. Re-dose only once, then use Octaplasma if needed..
A10-EXTEM < 40 mm and A10-FIBTEM > 10mm
Administer1 adult dose, re-dose as needed
INTEM or EXTEM ML > 7% at 30 min or >15% at 60 min
AdministerDose and re-dose according to what has been administered.
Hgb <80 g/L
AdministerOne unit at a time, followed by clinical reassessment
Check and optimize
- 1
Temperature >36 °C
- 2
pH > 7.2
- 3
iCa > 1.0 mmol/L
- 4
Hgb > 75 g/L
Is transfusion complete and bleeding stabilized?
Yes
Management
Patient is stable, Hgb < 80 g/L
Monitor and evaluate volume status. Consider administering one RBC unit at a time followed by clinical reassessment if appropriateIf patient is unstable, Hgb < 90g/L
Administer one RBC unit at a time followed by clinical reassessment
Patient is stable, Hgb < 80 g/L
THEN
If patient is unstable, Hgb < 90g/L
THEN
Scenario complete
Reset to start over or to select another scenario
TEG 5000
- FARES-II, 2025
- FIBRES, 2019
- SCA, 2019
- Octaplex PM, 2026
- Fibryga PM, 2025
TEG 5000 thresholds
As directed by protocol
TEG R > hTEG R x 1.25
Protamineat 10-50 mg prn
MA < 40 mm and FF > 8 mm
4g, re-dose as needed
Hteg R > 12 min
1500 IU if IBW < 60kg and 2000 IU if IBW ≥ 60kg. Not recommended if HIT is present. Re-dose only once, then use Octaplasma if needed.
MA < 40 mm AND FF < 8 mm
Platelets1 adult dose, re-dose as needed
LY30 > 7.5%
Aminocaproic Acid or Tranexamic acidDose and re-dose according to what has been administered.
Hgb <80 g/L
RBCOne unit at a time, followed by clinical reassessment
TEG R > hTEG R x 1.25
Administerat 10-50 mg prn
MA < 40 mm and FF > 8 mm
Administer4g, re-dose as needed
Hteg R > 12 min
Administer1500 IU if IBW < 60kg and 2000 IU if IBW ≥ 60kg. Not recommended if HIT is present. Re-dose only once, then use Octaplasma if needed.
MA < 40 mm AND FF < 8 mm
Administer1 adult dose, re-dose as needed
LY30 > 7.5%
AdministerDose and re-dose according to what has been administered.
Hgb <80 g/L
AdministerOne unit at a time, followed by clinical reassessment
Check and optimize
- 1
Temperature >36 °C
- 2
pH > 7.2
- 3
iCa > 1.0 mmol/L
- 4
Hgb > 75 g/L
Is transfusion complete and bleeding stabilized?
Neither available
- FARES-II, 2025
- FIBRES, 2019
- SCA, 2019
- Octaplex PM, 2026
- Fibryga PM, 2025
Thresholds when neither ROTEM nor TEG available
As directed by protocol
ACT > baseline
Protamine10-50 mg prn
Fibrinogen <1.5 g/L
4g, re-dose as needed
INR > 1.5
1500 IU if IBW < 60kg and 2000 IU if IBW ≥ 60kg. Not recommended if HIT is present. Re-dose only once, then use Octaplasma if needed.
Platelet count < 50 x 10⁹/L - 100 x 10⁹/L
Platelets1 adult dose, redose as needed
Bleeding persists
Aminocaproic Acid or Tranexamic AcidDose and re-dose according to what has been administered.
Hgb <80 g/L
RBCOne unit at a time, followed by clinicial reassessment
ACT > baseline
Administer10-50 mg prn
Fibrinogen <1.5 g/L
Administer4g, re-dose as needed
INR > 1.5
Administer1500 IU if IBW < 60kg and 2000 IU if IBW ≥ 60kg. Not recommended if HIT is present. Re-dose only once, then use Octaplasma if needed.
Platelet count < 50 x 10⁹/L - 100 x 10⁹/L
Administer1 adult dose, redose as needed
Bleeding persists
AdministerDose and re-dose according to what has been administered.
Hgb <80 g/L
AdministerOne unit at a time, followed by clinicial reassessment
Check and optimize
- 1
Temperature >36 °C
- 2
pH > 7.2
- 3
iCa > 1.0 mmol/L
- 4
Hgb > 75 g/L
Is transfusion complete and bleeding stabilized?
Post-Partum
What is the situation?
Preparing for a bleed
- WHO-FIGO-ICM Consolidated Guidelines for PPH, 2025
- Robinson et. al, 2022
- Leduc et. al, 2009
Readiness
- 1
At admission: perform high-risk assessment.
- 2
If high-risk: send group & screen; calculate MABL (maximum allowable blood loss).
- 3
At birth: give a uterotonic immediately - carbetocin preferred over oxytocin.
- 4
Room/team readiness: hemorrhage cart/tray; MHP activation criteria; team role assignment; IV access; POC/VET testing availability; blood-bank notification; uterotonic + fibrinogen concentrate availability; temperature & calcium.
Next
- WHO-FIGO-ICM Consolidated Guidelines for PPH, 2025
- Robinson et. al, 2022
Diagnose
- 1
Trigger: ≥300 mL blood loss AND ≥1 abnormal hemodynamic sign; OR ≥500 mL blood loss.
Send group & screen (if not already done)
- 2
Recommend: send fibrinogen test & VET (viscoelastic testing).
Which track would you like to simulate?
Track A - Control (source control, led by the OB / surgeon)
- WHO, 2023
- E-MOTIVE trial, 2023
- WOMAN trial, 2017
- Robinson et. al, 2022
- Royal College of Obstetricians and Gynaecologists, 2017
Managing an active bleed
- 1
eMOTIVE bundle
- Uterine massage
- Oxytocic drugs
- Administer tranexamic acid (TXA) 1 g IV — early, first-line
- Second IV access (IV fluids)
- 2
If bleeding continues: 2nd/ 3rd line uterotonic
- Misoprostol
- Ergometrine
- Carboprost
- 3
If bleeding continues: minimally invasive
- Intra-uterine tamponade
- Compression sutures (B-Lynch)
- 4
If bleeding continues: advanced options
- Uterine / internal iliac artery ligation
- Embolization (if available)
- 5
Hysterectomy
- Consider sooner if the patient is hemodynamically unstable, OR ≥4 units RBC given with no source control.
Escalation rule
Escalate at any point if hemodynamically unstable and no source control.
Shock Index 1.0–1.4
Begin uncrossmatched blood, consider MHPShock Index > 1.4
Activate MHP immediatelyClick here to visit MHP simulator
Shock Index 1.0–1.4
Then
Next
Post-bleed management
Acknowledgements
Adapted from references listed above, with clinical oversight by Dr. Ron George
Track B - Replenish (hemostatic resuscitation, led by the anesthetist)
- Robinson et. al, 2022
- Schroll et. al, 2018
- ORBCoN MHP Tooklit
Managing an active bleed
- 1
Optimize patient
- Administer calcium: ionized Ca²⁺ > 1.1 mmol/L; uncorrected (non-ionized) Ca > 2.14 mmol/L.
- Maintain temperature > 36 °C.
- Maintain pH > 7.2.
- 2
Crystalloids
- Goal = euvolemia. Replace QBL 1:1 with crystalloid until MABL reached, if hemodynamically stable.
- Volume not to exceed 4 L (except low-resource setting, to preserve organs).
- 3
Blood
- Goal = euvolemia. Target Hb 70–90 g/L. Use uncrossmatched if crossmatched not available.
- If shock index 1.0–1.4: begin uncrossmatched, consider MHP
- If shock index > 1.4: activate MHP immediately.
- 4
Coagulation management
- Based on available point-of-care testing
What point-of-care testing is available?
ROTEM (FIBTEM / EXTEM)
Replenish fibrinogen
Does the uncontrolled severe bleeding arise in the course of a surgical intervention (e.g. caesarean section, intra-operative)?
Yes
- Robinson et. al, 2022
- Mallaiah et. al, 2015
- Fibryga PM, 2025
Transfusion thresholds
Obstetric fibrinogen target: > 2 g/L
FIBTEM A5 8-12 mm
FIBTEM A5 5-8 mm
FIBTEM A5 <5 mm
FIBTEM A5 8-12 mm
Then
FIBTEM A5 5-8 mm
Then
FIBTEM A5 <5 mm
Then
Next
- Robinson et. al, 2022
Replenish plasma
Transfusion thresholds
EXTEM CT ≤ 75 s or normal PT/APTT
no Octaplasma requiredEXTEM CT > 75 s or abnormal PT/APTT
or ≤50 kg = 3U; > 50 kg = 4U
EXTEM CT ≤ 75 s or normal PT/APTT
Themn
EXTEM CT > 75 s or abnormal PT/APTT
Themnor ≤50 kg = 3U; > 50 kg = 4U
Replenish platelets
Transfusion thresholds
If platelet count < 50 x 10⁹/L or an impending drop < 50 x 10⁹/L
Administer platelets1 adult dose
If platelet count < 50 x 10⁹/L or an impending drop < 50 x 10⁹/L
Then1 adult dose
What is the situation?
Hemodynamic instability
No
- Robinson et. al, 2022
- Mallaiah et. al, 2015
Transfusion thresholds
Obstetric fibrinogen target: > 2 g/L
FIBTEM A5 8-12 mm
4g FCFIBTEM A5 5-8 mm
6g FCFIBTEM A5 <5 mm
8g FC
FIBTEM A5 8-12 mm
Then
FIBTEM A5 5-8 mm
Then
FIBTEM A5 <5 mm
Then
TEG / Quantra (CFF-MA)
Replenish fibrinogen
Does the uncontrolled severe bleeding arise in the course of a surgical intervention (e.g. caesarean section, intra-operative)?
Yes
- Robinson et. al, 2022
- Mallaiah et. al, 2015
- Fibryga PM, 2025
Transfusion thresholds
Obstetric fibrinogen target: > 2 g/L
CFF-MA 14–19 mm
CFF-MA 7–14 mm
CFF-MA < 7 mm
CFF-MA 14–19 mm
Then
CFF-MA 7–14 mm
Then
CFF-MA < 7 mm
Then
Next
- Belin et. al, 2025
- Robinson et. al, 2022
- Sarani et. al, 2025
Replenish plasma
Transfusion thresholds
QUANTRA CT < 127 s or TEG: CK-R < 10 min
no Octaplasma requiredQUANTRA CT > 127 s or TEG: CK-R >10 min
or ≤50 kg = 3U; > 50 kg = 4U
QUANTRA CT < 127 s or TEG: CK-R < 10 min
Then
QUANTRA CT > 127 s or TEG: CK-R >10 min
Thenor ≤50 kg = 3U; > 50 kg = 4U
Replenish platelets
Transfusion thresholds
If platelet count < 50 x 10⁹/L or an impending drop < 50 x 10⁹/L
Administer platelets1 adult dose
If platelet count < 50 x 10⁹/L or an impending drop < 50 x 10⁹/L
Then1 adult dose
What is the situation?
No
- Robinson et. al, 2022
- Mallaiah et. al, 2015
Transfusion thresholds
Obstetric fibrinogen target: > 2 g/L
CFF-MA 14–19 mm
4g FCCFF-MA 7–14 mm
6g FCCFF-MA < 7 mm
8g FC
CFF-MA 14–19 mm
Then
CFF-MA 7–14 mm
Then
CFF-MA < 7 mm
Then
Neither available
Replenish fibrinogen
Does the uncontrolled severe bleeding arise in the course of a surgical intervention (e.g. caesarean section, intra-operative)?
Yes
- Robinson et. al, 2026
- Fibryga PM, 2025
Transfusion thresholds
Obstetric fibrinogen target: > 2 g/L
Fibrinogen level < 2 g/L
Fibrinogen level < 1.5 g/L
Fibrinogen level < 1 g/L
Fibrinogen level < 2 g/L
Then
Fibrinogen level < 1.5 g/L
Then
Fibrinogen level < 1 g/L
Then
Next
- Robinson et. al, 2022
Replenish plasma
Transfusion thresholds
If INR < 1.8
no Octaplasma requiredIf INR ≥ 1.8
or ≤50 kg = 3U; > 50 kg = 4U
If INR < 1.8
Then
If INR ≥ 1.8
Thenor ≤50 kg = 3U; > 50 kg = 4U
Replenish platelets
Transfusion thresholds
If platelet count < 50 x 10⁹/L or an impending drop < 50 x 10⁹/L
Administer platelets1 adult dose
If platelet count < 50 x 10⁹/L or an impending drop < 50 x 10⁹/L
Then1 adult dose
What is the situation?
No
- Robinson et. al, 2026
Transfusion thresholds
Obstetric fibrinogen target: > 2 g/L
Fibrinogen level < 2 g/L
4g FCFibrinogen level < 1.5 g/L
6g FCFibrinogen level < 1 g/L
8g FC
Fibrinogen level < 2 g/L
Then
Fibrinogen level < 1.5 g/L
Then
Fibrinogen level < 1 g/L
Then
