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What does PTR stand for in Medical? Get the most popular PTR abbreviation related to Medical.
- Overview
- Why It's Done
- Risks
- What You Can Expect
The prothrombin time, sometimes referred to as PT or pro time, test is a test to evaluate blood clotting. Prothrombin is a protein produced by your liver. It is one of many factors in your blood that help it to clot appropriately.
Most often, the prothrombin time is monitored if you are taking the blood-thinning medication warfarin. In this situation, the prothrombin time is shown as an international normalized ratio (INR). Your health care provider may recommend a prothrombin time test before surgery if there is any concern about your blood's ability to clot. The prothrombi...
A prothrombin time test is similar to any other blood test. You might experience soreness or minor bruising at the site in the arm where your blood is drawn.
During the test
Obtaining the blood sample for prothrombin time testing usually takes just a few minutes, like any other blood test.
After the test
Your blood might be sent to a laboratory for analysis. If the laboratory analysis is done on-site, you could have your test results within hours. If your provider sends your blood to an off-site laboratory, it may take several days to receive the results. In some clinics, a nurse will take a sample of your blood with a finger stick. You may receive the test result within minutes, while you are still in the exam room.
Home testing
Home testing kits are available for people who have to take blood thinners for long periods and who have been trained in taking blood samples and testing them.
A PT/INR test checks how fast your blood clots and helps diagnose bleeding or clotting disorders. It also monitors warfarin therapy and liver function. Learn more about the test, its results, and how to prepare for it.
Apr 29, 2024 · A prothrombin time (PT or PT/INR) test measures how quickly your blood clots. The results may be in seconds or, more commonly, a calculation called the International Normalized Ratio (INR). When you’re bleeding, proteins called clotting or coagulation factors work together to form clots that stop blood loss.
Apr 4, 2022 · Platelet transfusion refractoriness (PTR), in which platelet counts do not increase after transfusion, occurs in many patients receiving platelet transfusions. PTR is a clinical condition that can harm patients. The causes of PTR can be divided into two types: immune and non-immune. Most cases of PTR are non-immune.
Appendix B: Some Common Abbreviations. This is a list of some common abbreviations and acronyms. Learn some common medical abbreviations and acronyms from the Understanding Medical Words tutorial on MedlinePlus.
