electrocardiogram
noun
- recording of the magnitude of the heart's electrical potential measured from twelve different angles ("leads") over a period of time (usually ten seconds)
Wiktionary
Pronunciation: /əˌlɛktɹəˈkɑɹdi.əˌɡɹæm/
noun
Etymology: From electro- + cardio- + -gram, Modelled on German Electrocardiogramm(modern German Elektrokardiogramm)
- The recording that an electrocardiograph produces.