blood pressure


blood pressure


: the force with which blood moves through a person's body

Full Definition of BLOOD PRESSURE

:  pressure that is exerted by the blood upon the walls of the blood vessels and especially arteries and that varies with the muscular efficiency of the heart, the blood volume and viscosity, the age and health of the individual, and the state of the vascular wall


  1. The doctor says he has high blood pressure.
  2. These drugs help lower blood pressure.
  3. She has a blood pressure of 120.

First Known Use of BLOOD PRESSURE


blood pressure

noun    (Medical Dictionary)

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

blood pressure

noun    (Concise Encyclopedia)

Force originating when the heart's pumping pushes the blood against the walls of the blood vessels. Their stretching and contraction help maintain blood flow. Usually measured over an arm or leg artery in humans, blood pressure is expressed as two numbers; normal adult blood pressure is about 120/80 mm of mercury. The higher number (systolic) is measured when the heart's ventricles contract and the lower (diastolic) when they relax. See also hypertension, hypotension.


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