心しん電でん図ずしんでんずFreq.FrequencyTop 50,000Meanings1nounelectrocardiogram; ECG; EKGmedicineMedical term for the recording of the heart's electrical activity.健けん康こう診しん断だんで心しん電でん図ずをとりました。I had an electrocardiogram taken at the health checkup.