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Definition of hypovolemia in US English - a decreased volume of circulating blood in the body.
Hypokalemia; Synonyms: Hypopotassaemia, hypopotassemia: An ECG in a person with a potassium level of 1.1 meq/l showing the classical changes of ST segment depression, inverted T waves, large U waves, and a slightly prolonged PR interval: Specialty: Critical care medicine: Symptoms: Feeling tired, leg cramps, weakness, constipation, abnormal heart rhythm