反饋內容
What does a high PTT number mean?
With the PTT test, the reference range is between 25 and 33 seconds. As with the PT test, a higher PTT number means your blood is taking longer than usual to clot. A lower PTT number means that your blood is clotting faster than normal. There are several reasons why this might occur.What does a PT & PTT test reveal?
The PTT test looks at the intrinsic pathway of coagulation (meaning coagulation that occurs within a blood vessel). When looked at individually and together, the PT and PTT can reveal a bleeding disorder and your risk for severe blood clots.What is a PT test?
The PT test is sometimes referred to as the PT/INR test. The INR refers to the international normalized ratio, a calculation that helps ensure test results are standardized from one lab to the next.