Hematocrit Blood Test Topic Guide
Hematocrit (Blood Test): A hematocrit blood test measures the portion of red blood cells in the blood. Normal values of hematocrit in the blood vary according to
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Sleep Apnea (Obstructive and Central) There are two types of sleep apnea: Sleep apnea can be caused by many factors such as strokes, heart failure, medications, or physical structures in the throat and mouth. Treatment range from medical devices to surgery.