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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 · 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...

  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 · 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 ...

  3. www.webmd.comWebMD - Better information. Better health.

    The leading source for trustworthy and timely health and medical news and information. Providing credible health information, supportive community, and educational services by blending award ...

  4. 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...

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

    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 ...

  6. www.webmd.com › a-to-z-guides › complete-blood-countCBC Test: Purpose, What It Measures, and Normal Results - WebMD

    2024年3月19日 · What Is a Complete Blood Count? A complete blood count (CBC) is a test that counts the cells that make up your blood: red blood cells, white blood cells, and platelets. Your doctor may order a...

  7. 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 · What is a Phosphate Blood Test? Medically Reviewed by Carol DerSarkissian, MD on February 20, 2024. Written by WebMD Editorial Contributors. Why Do I Need a Test? How Should I Prepare for It?...