LEA PATERSON / SCIENCE PHOTO LIBRARY LEA PATERSON / SCIENCE PHOTO LIBRARY
Medical equipment. Sphygmomanometer and stethoscope on a doctor's desk. A sphygmomanometer is used to measure the patient's blood pressure. It consists of an arm cuff (centre right) that is inflated by a pump (lower left), and a gauge (centre) that gives a blood pressure reading as the cuff deflates. The stethoscope (top) is used to listen to the patient's pulse.
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