Photoplethysmographies

《英文msh词典》Photoplethysmographies
[入口词] Photoplethysmographies
[主题词] Photoplethysmography
[英文释义] Plethysmographic determination in which the intensity of light reflected from the skin surface and the red cells below is measured to determine the blood volume of the respective area. There are two types,transmission and reflectance.