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  1. www.webmd.com › hypertension-high-blood-pressure › diastolicBlood Pressure Chart & Numbers (Normal Range, Systolic, ...

    2023年3月3日 · This is what your diastolic blood pressure number means: Normal: Lower than 80. Stage I: hypertension: 80-89. Stage II: hypertension: 90 or more. Hypertensive crisis: 120 or more. Call 911. Our...

  2. www.webmd.com › a-to-z-guides › what-is-red-blood-cell-count-testRed Blood Cell Count Test: Why Is It Performed, Risks, and ...

    2021年11月5日 · What Is a Red Blood Cell Count Test? Medically Reviewed by Poonam Sachdev, MD on November 05, 2021. Written by Jeffrey Weishaupt. Why Do I Need RBC Testing? How Is the Red Blood Cell Count Test...

  3. www.webmd.com › fitness-exercise › how-to-increase-bloodBlood Oxygen Level: How to Increase It - WebMD

    2023年5月5日 · What Are Typical Levels of Blood Oxygen? Your blood oxygen level helps you know how well your lungs, heart, and circulatory system work. A typical blood oxygen level for a healthy person ranges...

  4. www.webmd.com › a-to-z-guides › what-is-hypochloremiaHypochloremia: Causes, Symptoms, and More - WebMD

    2023年7月12日 · What Is Hypochloremia? Medically Reviewed by Sanjay Ponkshe on July 12, 2023. Written by WebMD Editorial Contributors. What Is Chloride? Symptoms of Hypochloremia. Causes of Hypochloremia....

  5. 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...

  6. www.webmd.com › a-to-z-guides › understanding-anemia-basicsAnemia: Causes, Symptoms, Diagnosis, Treatments - WebMD

    2023年8月3日 · Depending on the cause of the anemia, symptoms may include: Dizziness, lightheadness, or feeling like you are about to pass out. A fast or unusual heartbeat. A headache. Pain, including in your ...

  7. www.webmd.com › a-to-z-guides › c-reactive-protein-testC-Reactive Protein (CRP) Test: High vs. Low Levels, Normal ...

    2024年2月19日 · What Is a C-Reactive Protein? If you have high cholesterol, you've probably been told to lower the LDL number from your blood test. LDL is the "bad cholesterol ," the type that contributes to...