Roohi Ilyas, Sumera Kanwal, Nousheen, Arif Rehman, Khan Shah Zaman.
Retroperitoneal hemorrhage.
Pak Heart J Jan ;48(4):218-22.

Risks of anti-coagulation treatment are multiple. Warfarin Sodium when selected for anti-coagulation needs to be kept in the target range for that particular condition. INR levels, over or under the target range will be catastrophic in terms of bleeding or thrombosis respectively. Locating site of bleeding, such as retroperitoneal hemorrhage, in a patient with high levels of INR during warfarin treatment, is a challenging problem, in terms of diagnosis as well as treatment. A case of prosthetic mitral valve replacement was diagnosed for retroperitoneal hemorrhage, but fortunately diagnosed relatively early due to its typical presentation.

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