A prothrombin time (PT) test measures the amount of time it takes for your blood plasma to clot. Prothrombin, also known as factor II, is just one of many plasma proteins involved in the clotting ...

Thirteen patients with liver disease and an abnormal prothrombin time refractory to vitamin K therapy were studied (Tables 1 and 2). None of the patients were actively bleeding, and none had received ...

East Windsor, NJ - The FDA has given i-STAT Corporation clearance to market its prothrombin time (PT) test for use with the company's portable clinical analyzer according to a company press release.

Prothrombinase catalyzes thrombin formation by the ordered cleavage of two peptide bonds in prothrombin. Although these bonds are likely ≈36 Å apart, sequential cleavage of prothrombin at Arg-320 to ...