rheocardiography

noun
rheo·​car·​di·​og·​ra·​phy | \ ˌrē-ō-ˌkärd-ē-ˈäg-rə-fē How to pronounce rheocardiography (audio) \
plural rheocardiographies

Medical Definition of rheocardiography

: the recording of the changes in the body's electrical conductivity that are synchronous with the beating of the heart