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Hypoxia refers to a low concentrations of oxygen in the body or body part. The condition arises from a mismatch between the amount of oxygen demanded by the body and the amount of oxygenated blood that is supplied.
The symptoms of hypoxia depend on the severity of the condition and the rate at which it becomes a more severe hypoxia or anoxia (no oxygen present). Some of the symptoms of hypoxia include:
People who have suffered from hypoxia for a long time may have swollen tips of the fingers. In addition, their blood can become concentrated with a higher number of red blood cells (polycythemia). Other disorders in long-term hypoxia include right ventricular hypertrophy or enlargement of the heart and chronic pulmonary hypertension.