BSIP VEM / SCIENCE PHOTO LIBRARY BSIP VEM / SCIENCE PHOTO LIBRARY
Blood pressure measurement. Blood pressure being measured on a patient's upper arm with a sphygmo- manometer. The cuff around this patient's arm is inflated with a hand pump (top right) until it stops blood flowing into the arm. A stethoscope (bottom right) is used to listen to the pulse disappearing. The pressure at this point corresponds to the pressure during a heartbeat. The cuff is then deflated just until blood flow resumes. This point gives the pressure between heartbeats. Blood pressure is an important measure of health and fitness. A healthy young adult typically has a reading of 110/75 mmHg (expressed in millimetres of mercury).
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