Warfarin Therapy Alternative to PT INR Medical Algorithm

Are you evaluating a patient with a lupus anticoagulant who requires oral anticoagulation?

Yes

Did the patient show a prolongation of the PT in the absence of oral anticoagulation or Factor VII deficiency?

Yes

Does the reported INR vary between different laboratories while on stable warfarin therapy?

Yes

Has the patient bled during anticoagulation therapy while the INR was low?

Yes

Has the patient had a thrombosis during anticoagulation therapy while the INR was high?

Yes

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Data complete?

Evaluation appropriate?

Number of reasons to consider an alternative anticoagulation monitoring method rather than the PT or INR

Should the chromogenic Factor X or prothrombin-proconvertin time be used to monitor the patient?

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Evaluation

Results

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Interpretation and Description

References

Specialty

Objective

ICD-10

Indications for Using an Alternative Method to the PT or INR for Monitoring Warfarin Therapy in a Patient with a Lupus Anticoagulant

Purpose: To identify a patient with a lupus anticoagulant whose oral anticoagulation therapy should be monitored by an alternative method to the PT and INR.

Evaluation

Results

Please fill out required fields.

MedicalAlgorithms.com APIs

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Interpretation and Description

References

Specialty

Objective

ICD-10