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  1. 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?...

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

    2023年5月22日 · Reference. What Is a Partial Thromboplastin Time Test? Medically Reviewed by Carol DerSarkissian, MD on May 22, 2023. Written by WebMD Editorial Contributors. What Does a PTT Test Look For? Why...

  3. www.webmd.com › dvt › factor-v-leidenFactor V Leiden: Symptoms, Cause, Diagnosis, and Treatment - ...

    2022年11月30日 · What Is Factor V Leiden? Genetic conditions like factor V Leiden and a prothrombin gene mutation can make it more likely that you will develop health problems because of blood clots. And being...

  4. www.webmd.com › cholesterol-management › fasting-blood-testsThe Facts on Fasting for Blood Tests - WebMD

    2022年8月13日 · Fasting blood glucose measures the amount of glucose ( sugar) in your blood to test for diabetes or prediabetes. Typical fasting time: At least 8 hours. Lipid profile checks the level of ...

  5. www.webmd.com › heart-disease › what-is-cardiac-troponin-testCardiac Troponin Test: A test that detects a heart attack - WebMD

    2023年12月18日 · 13 min read. The cardiac troponin test detects damage to the heart muscle. Troponin is a protein that appears in the blood only when the heart muscle is damaged, as in a heart attack. There are...

  6. www.webmd.com › a-to-z-guides › potassium-blood-testPotassium Levels Blood Test: High vs. Low, Normal K Level - ...

    2024年2月25日 · This can lead to high blood pressure ( hypertension) and other issues. Potassium balances the effects of sodium and helps keep fluid levels within a certain range. Your body should maintain a ...

  7. www.webmd.com › lung › types-of-lung-function-testsPulmonary Function Tests (PFTs) for Your Lungs - WebMD

    2022年8月14日 · Spirometry. This is one of the most common pulmonary function tests. Spirometry measures how much air you can breathe in and out. It also measures how fast you can empty the air out of your lungs ...