Medical Dictionary

blood pressure

noun

Medical Definition of BLOOD PRESSURE

:  pressure exerted by the blood upon the walls of the blood vessels and especially arteries, usually measured on the radial artery by means of a sphygmomanometer, and expressed in millimeters of mercury either as a fraction having as numerator the maximum pressure that follows systole of the left ventricle of the heart and as denominator the minimum pressure that accompanies cardiac diastole or as a whole number representing the first value only <a blood pressure of {frac120/80}> <a blood pressure of 120>—abbreviation BP
May 22, 2015
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