hypotension

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hypotension (hy-poh-ten-shŏn) n. a condition in which the arterial blood pressure is abnormally low. It occurs after excessive fluid or blood loss. Other causes include myocardial infarction, pulmonary embolism, Addison's disease, severe infections, allergic reactions, arrhythmias, antihypertensive or antipsychotic medication, and acute abdominal conditions (e.g. pancreatitis). postural (or orthostatic) h. hypotension experienced when rising from a horizontal position.

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