Cuffless blood pressure measurement solutions utilize pulse transit time, pulse wave velocity, radar, doppler-blood flow, echography, ECG and/or photoplethysmography to calculate systolic arterial blood pressure or central mean arterial blood pressure.

Signal processing of systolic arterial blood pressure and heart rate variability in conscious rats

 

The Establishment of a Non-Invasive Continuous Blood Pressure Measure System Based on Pulse Transit Time

Continuous Noninvasive Blood Pressure Measurement by Near Infra Red CCD Camera and Pulse Transmit Time Systems