Sphygmomanometer - it is an instrument for measuring blood pressure, ordinarily comprising of an inflatable elastic sleeve that is connected to the arm and associated with a section of mercury beside a graduated scale, empowering the determination of systolic and diastolic circulatory strain by expanding and steadily discharging the weight in the sleeve.
Sphygmomanometer is the instrument used to measure blood pressure, it is used by placing the sleeve on the upper arm, position the stethoscope on the inner portion of the join between lower and upper arms then inflate the sleeve using the rubber bulb, then release the air from the sleeve slowly, the first sound that you can hear is the systole and the last sound is the diastole