sphygmoplethysmograph

sphygmoplethysmograph

[-pləthis′məgraf′]
Etymology: Gk, sphygmos, pulse, plethysmos, increase, graphein, to record
an instrument for measuring and recording the arterial pulse curve and blood flow in a limb.

sphygmoplethysmograph

(sfĭg″mō-plĕth-ĭz′mō-grăf) [″ + plethysmos, to increase, + graphein, to write]
A device that traces the pulse with its curve of fluctuation in volume.