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High prothrombin time levels mean a patient's blood clotting time is longer than normal, states Mayo Clinic. Average prothrombin times range between 10 and 14 seconds. Results for patients taking warfarin, a blood thinner, are stated as the international normalized ratio, INR; the range is about 2.0 to 3.0.


A prothrombin time test tells you how long it takes your blood to clot. Learn what it looks for, when you might need one, and what the results mean.


A prothrombin time test measures how quickly your blood clots. Sometimes called a PT or pro time test, a prothrombin time test uses a sample of your blood. Prothrombin is a protein produced by your liver. It is one of many factors in your blood that help it to clot appropriately.


Doctors give unbiased, helpful information on indications, contra-indications, benefits, and complications: Dr. Sculco on what does high prothrombin time mean: Defective. Prolonged prothrombin time can be due to deficiency of a number of coagulation factors. A common cause it treatment with warfarin/coumdain. Liver disease is an other common reason for prolonged pt. Depending on the ...


Prothrombin time (PT) is a blood test that measures the time it takes for the liquid portion ... The most common reason to perform this test is to monitor your levels when you are taking a blood-thinning medicine called warfarin. You are likely taking this medicine to prevent blood clots. ... A PT result that is too high or too low in someone ...


The prothrombin ratio (aka international normalized ratio) is the prothrombin time for a patient sample divided by the result for control plasma. [citation needed] International normalized ratio. The result (in seconds) for a prothrombin time performed on a normal individual will vary according to the type of analytical system employed.


Prothrombin Time Definition The prothrombin time test belongs to a group of blood tests that assess the clotting ability of blood. The test is also known as the pro time or PT test. Purpose The PT test is used to monitor patients taking certain medications as well as to help diagnose clotting disorders. Diagnosis Patients who have problems with delayed ...


High prothrombin time and INR results explanation. by Dr.Megan Ralf ... (activated) partial thromboplastin time, tells you if patient on heparin is at a therapeutic level. INR is made to unify PT time results between different Laboratories by internationalized normal ranges (INR) and calculated as the ratio of a patient’s prothrombin time to ...


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. An elevated PT or INR means your blood is taking longer to clot than your healthcare provider believes is healthy for you. When your PT or INR is too high, you have an increased risk of bleeding.


A prothrombin time test measures how long it takes for your blood plasma to clot. Prothrombin, or factor II, is one of 12 proteins in the clotting process. ... What do the test results mean?