Then, they'll release it. As the cuff deflates, the first sound they hear through the stethoscope is the systolic blood pressure. It sounds like a whooshing noise.

A wearable blood pressure monitor uses sound to continuously record vital sign data. Achieving continuous, noninvasive blood pressure monitoring has long been a medical objective due to its ...

Researchers have shown, for the first time, that speckle contrast optical spectroscopy (SCOS) can be used for cuffless blood ...