why is coagulation longer than bleeding time
bleeding time was related to the platelet count rather than to the coagulation time.â He found the bleeding time to be normal in hemophilia and in most other coagulation abnormalities with the exception of hypo-fibrinogenemia and some cases of factor V deficiency. Borchgrevink in 1961 reported that the bleeding time
Prothrombin time (PT or PT-INR) Prothrombin is another protein your liver produces. The prothrombin time (PT) test measures how well and how long it takes your blood to clot. It normally takes about 25 to 30 seconds. It may take longer if you take blood thinners. Other reasons for abnormal results include hemophilia, liver disease, and malabsorption.