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  1. 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...

    • Overview
    • Blood Color
    • Lymphocytes Defense
    • Testing WBCs
    • Normal Ranges
    • Low Counts

    This article is about the role of white blood cells, specifically lymphocytes, in our body and how they defend us from infections and diseases. It also explains different types of lymphocytes such as B cells, T cells and natural killer cells along with their functions. The article provides information on normal ranges of lymphocyte counts for adult...

    The color of your blood comes from red blood cells that carry oxygen through your body. White blood cells defend the body from infection, with lymphocytes being an important part of the immune system.

    For every 600 to 700 red blood cells, there is one white blood cell. Lymphocytes are formed in bone marrow and act as the body's army against invading organisms or viruses. There are two types of lymphocytes - B cells make antibodies while T cells destroy virus-taken over or cancerous cells. Natural killer cells can destroy tumor without activation...

    A complete blood count measures different components of your blood including white and red blood cells, platelets, hemoglobin and hematocrit ratio; flow cytometry is a more detailed test that looks at many types of blood cell levels including different lymphocyte counts; both tests require a sample taken by healthcare professional sent to lab for a...

    Normal ranges vary among labs but depend on age with normal adult range between 1k-4.8k per microliter while children have 3k-9.5k per microliter; high counts mean fighting an infection but sometimes due to serious conditions like hepatitis, HIV/AIDS etc., diagnosis requires doctor consultation after medical history review and physical exam along w...

    Less than 1k per microliter considered low count for adults while less than 3k per microliter considered low count for children; underlying causes include autoimmune disorders like lupus, infectious diseases like tuberculosis/AIDS/viral hepatitis etc., radiation therapy or steroid therapy ; diagnosis involves doctor consultation after medical histo...

  2. 2023年8月17日 · Hypotension is the medical term for low blood pressure. You have it when a reading shows your blood pressure is much lower than expected. A blood pressure reading appears as two numbers. The...

  3. 2024年3月8日 · Eosinophilia is when you have a higher than normal number of these special cells in your blood or tissue. What Is an Eosinophil Count? If you take a blood test and the results aren’t in the normal...

  4. 2021年11月5日 · An RBC test is done when the doctor identifies signs of weakness or fatigue during a routine checkup. You may also need this test to examine specific health conditions that are usually not obvious....

  5. 2023年9月18日 · The sedimentation rate -- or “sed rate,” for short -- is a blood test that checks for inflammation in your body. It’s one clue for your doctor that you might have a disease linked to...

  6. 2023年8月3日 · Anemia is defined as a low number of red blood cells. In a routine blood test, anemia is reported as a low hemoglobin or hematocrit. Hemoglobin is the main protein in your red blood cells. It...