Medical MCQ - A diabetic female on INH and Rifamipicin for TB developed DVT. She was staed on warfarin, PT is not raised, and next step should be

A diabetic female on INH and Rifamipicin for TB developed DVT. She was staed on warfarin, PT is not raised, and next step should be

Increase the dose of warfarin

Replace warfarin with Acenococumarin

Switch Ethambutol for Rifampicin

Use LMV heparin

Question Category:

Correct Answer:

Use LMV heparin

Description:

Refer KDT Anticoagulant effect of warfarin is assessed by the measurement of prothrombin time Failure of elevation of PT indicates the decreased effect of warfarin Rifamipicin is the most effective drug for tuberculosis Acenococumarin is also an oral anticoagulant Effect of warfarin stas in 4-5days However heparin needs to be given by injection

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