But the results of a PTT test may show a slow clotting time. The antibodies related to these diseases cause too much clotting. These diseases cause your body to make proteins called antibodies.
Other names: activated partial thromboplastin time, aPTT, intrinsic pathway coagulation factor profile A PTT test is often done with other tests that check clotting factors and how well they all work together. It helps show how much of these clotting factors you have and how well they're working.
This condition may lead to clots that block your blood flow and cause serious conditions, such as heart attack, stroke, or clots in the lungs.Ī PTT test helps check a specific group of clotting factors. Clot too much and/or too quickly, even without an injury.Hemophilia is one type of bleeding disorder. Bleeding disorders can cause serious blood loss. If this happens, you have a bleeding disorder. Clot too slowly after an injury or surgery.If any of your clotting factors are missing, at a low level, or not working properly, your blood may: These proteins are called coagulation factors or clotting factors. Normally, when you get a cut or injury that causes bleeding, many different types of proteins in your blood work together to make a clot to stop the bleeding. For additional information visit Linking to and Using Content from MedlinePlus.What is a PTT (partial thromboplastin time) test?Ī partial thromboplastin time (PTT) test uses a blood sample to measure how long it takes for your blood to make a clot. Any duplication or distribution of the information contained herein is strictly prohibited without authorization. Links to other sites are provided for information only - they do not constitute endorsements of those other sites. A licensed physician should be consulted for diagnosis and treatment of any and all medical conditions. The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. This site complies with the HONcode standard for trustworthy health information: verify here. Learn more about A.D.A.M.'s editorial policy editorial process and privacy policy. is among the first to achieve this important distinction for online health information and services. follows rigorous standards of quality and accountability. is accredited by URAC, for Health Content Provider (URAC's accreditation program is an independent audit to verify that A.D.A.M. Your provider will teach you about taking warfarin (Coumadin) the proper way.Ī.D.A.M., Inc. Eating food that changes the way the blood-thinning medicine works in your body.Taking certain over-the-counter (OTC) medicines, vitamins, supplements, cold medicines, antibiotics, or other medicines.INR results lower than 2.0 may put you at risk for developing a blood clot.Ī PT result that is too high or too low in someone who is taking warfarin (Coumadin) may be due to:.INR results higher than 3.0 may put you at even higher risk for bleeding.When your INR is from 2.0 to 3.0, you are more likely to have bleeding problems.Depending on why you are taking the blood thinner, the desired level may be different.If you are taking warfarin to prevent clots, your provider will most likely choose to keep your INR from 2.0 to 3.0: Disorder in which the proteins that control blood clotting become over active ( disseminated intravascular coagulation).Bleeding disorders, a group of conditions in which there is a problem with the body's blood clotting process.If you are not taking blood thinning medicines, such as warfarin, an INR result above 1.1 means your blood is clotting more slowly than normal.
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