photoelectric plethysmograph

[¦fōd·ō·i′lek·trik plə′thiz·mə‚graf]

(medicine)

A medical instrument for measuring and recording ear opacity by means of a tiny phototube and lamp clipped to the ear, as a measure of the state of fullness of blood vessels; also worn by aircraft pilots during high-altitude flights, as an alarm indicating the need for more oxygen.

References in periodicals archive ?

Solicitation: Photoelectric plethysmograph (ple) sensors and preliminary credibility assessment screening system (pcass) units

Photoelectric plethysmograph (ple) sensors and preliminary credibility assessment screening system (pcass) units

A short description of operation of the photoelectric plethysmograph has been provided by Challoner and Ramsay.

A photoelectric plethysmograph for the measurement of cutaneous blood flow.

Breakthrough in Clinical Cardiology: in-office assessment with pulse wave velocity (PWV) and digital pulse analysis (DPA)