80 mmHg," the highest pressure in the artery measured during systole is 120 and the lowest pressure, recorded in your arteries while the heart is relaxing, is 80.
When you visit your doctor's office, the doctor or nurse will use a device placed around your right or left arm to measure your pressure. This blood pressure cuff and the device it is attached to are called a sphygmomanometer. Its reading is valuable because it can tell your doctor various things about the condition of your heart and arteries.
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