If someone has an electrocardiogram, doctors use special equipment to measure the electric currents produced by that person's heart in order to see whether it is working normally.
electrocardiogram in British English
(ɪˌlɛktrəʊˈkɑːdɪəʊˌɡræm)
noun
a tracing of the electric currents that initiate the heartbeat, used to diagnose possible heart disorders
Abbreviation: ECG
electrocardiogram in American English
(iˌlɛktroʊˈkɑrdiəˌgreɪm)
noun
a graphic tracing showing the variations in electric force which trigger the contractions of the heart: it is used in the diagnosis of heart disease
Examples of 'electrocardiogram' in a sentence
electrocardiogram
The twelve wire leads of the electrocardiogram hung limply from his chest.
John Murray A FEW SHORT NOTES ON TROPICAL BUTTERFLIES (2003)