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  1. 29 Νοε 2022 · Causes. A high hemoglobin count occurs most commonly when your body requires an increased oxygen-carrying capacity, usually because: High hemoglobin count occurs less commonly because: Your red blood cell production increases to make up for chronically low blood oxygen levels due to poor heart or lung function.

    • When to See a Doctor

      Your doctor is likely to order other tests to help determine...

    • Heart Failure

      The fluid buildup can cause shortness of breath and swelling...

    • COPD

      Overview. Chronic obstructive pulmonary disease (COPD) is an...

    • Kidney Cancer

      In adults, renal cell carcinoma is the most common type of...

  2. 10 Φεβ 2023 · Causes. By Mayo Clinic Staff. Low oxygen levels, misuse of certain drugs and blood cancers can cause a high red blood cell count. The body might make more red blood cells as a response to conditions that result in low oxygen levels. These might include: Congenital heart disease in adults. COPD. Heart failure.

  3. In this article, we provide practical diagnostic algorithms that address frequently encountered conditions associated with CBC abnormalities including anemia, thrombocytopenia, leukopenia, polycythemia, thrombocytosis, and leukocytosis.

  4. 20 Μαΐ 2024 · Elevated hemoglobin doesn’t usually cause symptoms, but it can cause complications, including blood clots. A high hemoglobin level is often an indicator of disease, including polycythemia vera, cancer, heart disease, lung disease, and kidney or liver disease.

  5. Anemia is defined as a decrease in hemoglobin (or hematocrit) level from an individual's baseline value. Because individual baseline hemoglobin levels often are not readily accessible, physicians use sex-specific and race-specific reference ranges to make a working diagnosis of anemia.

  6. High hemoglobin count occurs when you have unusually high levels of a specific blood protein. The blood protein hemoglobin helps carry oxygen throughout your body and takes carbon dioxide to your lungs. High hemoglobin levels can lead to dizziness, fatigue, easy bruising and other symptoms.

  7. Iron deficiency is the most common cause of microcytic anemia. The definitive test for iron deficiency anemia (IDA) is measurement of serum ferritin.