11
Jun
Ptt And Inr Levels. A prothrombin time pt is a another blood test done to help measure your inr. The higher your pt or inr the longer your blood takes to clot. The inr is calculated from the pt level and is used to monitor patients who take the anticoagulant warfarin. In healthy people an inr of 1 1 or below is considered normal.
The international normalized ratio or inr is a calculation based on results of a pt that is used to monitor individuals who are being treated with the blood thinning medication anticoagulant warfarin coumadin. An elevated pt or inr means your blood is taking longer to clot than your healthcare provider believes is healthy for you. Bleeding triggers a series of reactions known as the coagulation cascade. A prothrombin time test tells you how long it takes your blood to clot. The pt inr assesses the extrinsic and common pathways. A prothrombin time pt is a another blood test done to help measure your inr.
The higher your pt or inr the longer your blood takes to clot.
The normal inr range for a healthy person not using warfarin is 0 8 1 2. A prothrombin time pt is a another blood test done to help measure your inr. Doctors sometimes call this test an activated partial thromboplastin time aptt test. The normal inr range for a healthy person not using warfarin is 0 8 1 2. For most patients on warfarin therapy the inr is usually between 2 0 and 3 0. When your pt or inr is too high you have an increased risk of bleeding.