What is the test commonly used to monitor the high heparin doses used in cardiac bypass surgery?

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PTT (partial thromboplastin time) is the test commonly used to monitor the high heparin doses used in cardiac bypass surgery. Heparin is an anticoagulant that prevents blood clots from forming during surgery. PTT measures the time it takes for blood to clot and is used to adjust the heparin dosage during surgery to maintain an appropriate level of anticoagulation. Prothrombin time (PT) measures the time it takes for blood to clot and is used to monitor warfarin therapy (a different type of anticoagulant). Thrombin clotting time and fibrinogen levels are not commonly used to monitor heparin therapy in cardiac bypass surgery.

What Is the Test Commonly Used to Monitor the High