What is in a blood pressure gauge?

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A sphygmomanometer has three parts: a cuff that can be inflated with air, The price of the pressure gauge (manometer) for measuring air pressure in the cuff, and. a stethoscope for listening to the sound the blood makes as it flows through the brachial artery (the major artery found in your upper arm).

When a healthcare professional takes your blood pressure, it's expressed as a measurement with two numbers, one number on top (systolic) and one on the bottom (diastolic), like a fraction. For example, 120/80 mm Hg. Blood pressure is measured in millimeters of mercury. That's what the mm/Hg stands for.

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