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Hypotension (low blood pressure)
Hypotension is the medical term for low blood pressure (less than 90/60). A blood pressure reading appears as two numbers. The first and higher of the two is a measure of systolic pressure, or the pressure in the arteries when the heart beats and fills them with blood. Low blood pressure can have causes that aren't due to underlying disease. Examples include family history of low blood pressure or medication side effects.