CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY CRISTINA PEDRAZZINI / SCIENCE PHOTO LIBRARY
Home blood pressure testing. An inflatable cuff around the woman's upper arm is inflated and deflated to obtain the readings. The output screen (not shown) shows the pulse rate and blood pressure readings. A typical healthy reading is 120/80 millimetres of mercury for systolic and diastolic blood pressure readings.
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