Aneroid sphygmomanometers for manual blood pressure readings.

Aneroid sphygmomanometers are commonly used in medical settings. They consist of a cuff, an inflation bulb, a pressure gauge, and a stethoscope. The cuff is placed around the upper arm, and the bulb is squeezed to inflate the cuff. The pressure is then released slowly while listening with the stethoscope to detect the sounds of the blood flow. The pressure gauge, with its dial, indicates the blood pressure readings. Aneroid sphygmomanometers are portable, accurate, and affordable devices that require proper training and technique for accurate readings. They are commonly used by healthcare professionals to assess and monitor blood pressure levels in patients.