PHOTOSTOCK-ISRAEL / SCIENCE PHOTO LIBRARY PHOTOSTOCK-ISRAEL / SCIENCE PHOTO LIBRARY
Checking blood pressure. Digital blood pressure monitor (sphygmomanometer) attached to a man's arm. This device is used to measure a person's blood pressure, an important indicator of health. Blood pressure numbers include systolic (top of screen) and diastolic (bottom of screen) pressures. Systolic blood pressure is the pressure when the heart beats while pumping blood. Diastolic blood pressure is the pressure when the heart is at rest between beats. Here the systolic pressure is high, suggesting the patient has hypertension (high blood pressure). The diastolic reading is within normal levels.
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