Sphygmometers are medical devices that are utilized to measure blood pressure. These instruments have been in use for years, and their importance in the medical field cannot be overstated. There are different types of sphygmometers, some of which include mercury sphygmometers, aneroid sphygmometers, and digital sphygmometers. Synonyms for sphygmometers include blood pressure monitors, BP machines, and blood pressure gauges. These synonyms can be used interchangeably with sphygmometers in medical settings to describe devices that measure blood pressure. As technology advances, newer versions of blood pressure gauges are being developed to provide even more accurate readings.