photoplethysmograph

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photoplethysmograph

light-emitting device used to determine skin blood flow
References in periodicals archive ?
Additionally, we will develop an algorithm for the detection of pulse wave alternans in the photoplethysmogram recorded from the finger, and develop a mobile application to detect repolarization alternans from a fingertip pulse wave using the built-in camera lens.
The PAH 8001 uses photoplethysmogram (PPG) technique which passes a green LED light wave into the skin and measures the response change caused by the absorption due to the pulsating arterial blood.
The other option is to adapt a photoplethysmogram - a device that detects a change in the volume of tissue by monitoring the way light is absorbed or reflected.
Pulse wave velocity and the second derivative of the finger photoplethysmogram in treated hypertensive patients: their relationship and associating factors.