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  1. www.webmd.com › a-to-z-guides › partial-thromboplastin-timeActivated Partial Thromboplastin Time (APTT) Test & APTT ...

    2023年5月22日 · A typical value for a PTT is 60 to 70 seconds. There’s also an activated PTT (aPTT) test that measures the same thing, but they add a substance to your blood to make it clot faster.

  2. www.webmd.com › a-to-z-guides › prothrombin-timeProthrombin Time (PT/INR) Blood Test for Clotting Time - WebMD

    2023年5月28日 · What Is a Prothrombin Time Test? Medically Reviewed by Carol DerSarkissian, MD on May 28, 2023. Written by WebMD Editorial Contributors. What Does a PT Test Look For? When Would I Need a PT Test?...

  3. www.webmd.com › lupus › what-is-lupus-anticoagulant-testLupus Anticoagulant Antibody: Test, Procedure, and Results - ...

    2023年7月18日 · The lupus anticoagulant test is a blood test that checks for antibodies that cause a blood clotting disorder. Antibodies are proteins in your blood that fight off bacteria, viruses, and other...

  4. www.webmd.com › a-to-z-guides › what-is-differential-blood-countDifferential Blood Count: Procedure and Results - WebMD

    2021年11月1日 · A differential blood count is a blood test to check your white blood cell levels, which can indicate the presence of infection, disease, or an allergic reaction. Your doctor might order it as...

  5. www.webmd.com › a-to-z-guides › blood-urea-nitrogenBlood Urea Nitrogen (BUN) Test: High vs. Low Levels, Normal ...

    2023年10月30日 · 6 min read. Doctors order a blood urea nitrogen (BUN) test to measure the amount of urea nitrogen in your blood. It helps them see how well your kidneys are working. What Is Blood Urea...

  6. www.webmd.com › first-aid › surgical-incision-healingHow to Know Your Surgical Cut Is Healing Right - WebMD

    2022年8月12日 · The first steps toward healing start right away. Blood vessels in the area of the cut begin to form clots that keep you from losing too much blood. White blood cells in your body move into the...

  7. www.webmd.com › digestive-disorders › tests-for-cirrhosisDo I Have Cirrhosis? What Tests and Exams Will My Doctor Use ...

    2023年5月28日 · Blood Tests. If you have symptoms of cirrhosis or you're at risk for the disease, your doctor will take a sample of your blood. These help spot signs of cirrhosis liver damage. They may help your...