What is a sphygmonometer?

Answer 1

Sphygmomanometer (the correct spelling).

A Sphygmomanometer is an instrument used to measure an individuals indirect blood pressure. They generally consist of an inflatable cuff that fits around a limb (normally the arm, just above the elbow), a bulb for controlling air pressure within the cuff, and a Mercury or aneroid manometer (a dial stating the pressure in millimeters of mercury, mmHg).

Answer 2

A sphygmomanometer is a medical device used to measure blood pressure. It consists of an inflatable cuff to restrict blood flow, a pressure bulb to inflate the cuff, and a pressure gauge to measure blood pressure.