LEA PATERSON / SCIENCE PHOTO LIBRARY LEA PATERSON / SCIENCE PHOTO LIBRARY
Measuring blood pressure. Healthcare worker measuring the blood pressure of a patient using a sphygmomanometer and stethoscope (upper left). The inflatable cuff (red) on the arm temporarily cuts off the blood flow. As it is deflated, blood flow resumes and a reading of the pressure is taken. The gauge on the cuff displays the blood pressure reading. The stethoscope allows the healthcare worker to listen to the patient's pulse. Blood pressure is an important indicator of health.
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