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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 · A typical PT result is 10 to 14 seconds. Higher than that means your blood is taking longer than normal to clot and may be a sign of many conditions, including: Bleeding or clotting disorder. Lack ...

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

    2023年5月22日 · 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 Would I...

  3. www.webmd.com › a-to-z-guides › parathyroid-hormoneParathyroid Hormone (PTH) Test: High vs Low PTH Levels, ...

    2021年11月12日 · What Is a Parathyroid Hormone Blood Test? Medically Reviewed by Minesh Khatri, MD on November 12, 2021. Written by WebMD Editorial Contributors. Why Would Your Doctor Order It? Risks and...

  4. 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 · 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 other causes of ...

  5. 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 ...

  6. www.webmd.com › a-to-z-guides › phosphate-blood-testPhosphate Blood Test: Purpose, High vs. Low vs. Normal Levels

    2024年2月20日 · A phosphate test measures the amount of phosphate in your blood. If that sounds too simple, stay tuned for a slight curveball. Phosphate is what you get when you combine the mineral phosphorus ...

  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 ...