What is the normal aptt ratio?
Is it normal Patient time is 12.9 sec and control time is 12 sec regarding prothrombin time in patient with chronic hepatitis c?
As most coagulation factor proteins are produced in the liver, any disease of the liver will have an effect on the levels of coagulation factors, and in turn the patients' ability to form a clot. Therefore it is normal for a patient with liver problems to have a prolonged PT The in vitro test of PT tests for deficiencies of factors I, II, VII & X. If your aPTT was normal, the deficient factor will…
APTT stands for Activated Partial Thromboplastin Time. It's a medical test that, in simple terms, is used to see how long it takes your blood to clot. This can be useful in diagnosing disorders such as Von Willebrand in which the blood has trouble clotting. The test can also be used to see how effectively blood thinning agents such as Heparin are working.
The two numbers are a ratio, known as the Snellen Ratio. The bottom number is the distance someone with normal vision can distinguish a reference. The top number is the distance the person being tested can distinguish that same reference. Therefore, 30/30 is the same as 20/20 (the usual way of saying someone has normal vision).
Yes, there is a blood test. Patients on blood thinners are constantly having the thinness of their blood tested. I think it is called PT/INR. ---- There are several test, actually. The above author is correct that people on medications such as warfarin (Coumadin, etc) have their PT/INR (Protime/International Normalized Ratio) checked to make sure their blood is "thin" enough. Other tests include activated Partial Thromboplastin Time (aPTT), thromboelastographs (TEG), and many others. The most…