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What Does HB in a Blood Test Mean? In a blood check, "HB" is an abbreviation for hemoglobin. The value describes the hemoglobin levels within the blood. Hemoglobin is a vital a part of the blood. This protein is found in purple blood cells and is responsible for carrying oxygen by the body. Hemoglobin checks are usually included with blood exams. Normal hemoglobin levels vary depending on age and gender. Normal ranges for males range between 13.8 to 17.2 grams of hemoglobin per deciliter of blood. Normal levels for women vary between 12.1 to 15.1 grams per deciliter of blood. Results for children differ even more. Newborn infants have a traditional vary of wherever between 14 and 24 grams per deciliter, whereas older babies have a lot decrease levels, at 9.5 to thirteen grams per deciliter. Lower than common hemoglobin levels can point out a variety of circumstances. Anemia, low blood iron, low B vitamin levels and malnutrition are common causes. Women might have low hemoglobin levels if they've heavier periods. Low hemoglobin ranges may also be signs of severe circumstances such as leukemia, bleeding in the digestive tract, bone marrow disorders, kidney illness or rheumatoid arthritis. Higher than average hemoglobin levels may also be indicators for serious circumstances. These include bone marrow disorders, lung disorders and coronary heart defects. These circumstances trigger low blood oxygen levels, which will increase the hemoglobin depend.
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