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Warfarin, a double sword not only helps in anticoagulation by inhibition of vitamin K dependent clotting factors but also prevents clot lysis by inhibiting protein C and protein S. The half-life of protein C and S is shorter than vitamin K dependent clotting factors hence its plasma concentration falls faster. If started alone the patient is at risk of developing warfarin induced skin necrosis, a potentially disastrous …
Contributors NBP: planning, writing and submitting the case. GJ: helped in writing the case.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Provenance and peer review Not commissioned; internally peer reviewed.
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