electrocardiograph

elec·tro·car·dio·graph

noun \-ˌgraf\

Definition of ELECTROCARDIOGRAPH

: an instrument for recording the changes of electrical potential occurring during the heartbeat used especially in diagnosing abnormalities of heart action

—elec·tro·car·dio·graph·ic \-ˌkärd-ē-ə-ˈgraf-ik\ adjective

—elec·tro·car·dio·graph·i·cal·ly \-i-k(ə-)lē\ adverb

—elec·tro·car·di·og·ra·phy \-ē-ˈäg-rə-fē\ noun, plural elec·tro·car·di·og·ra·phies