(ECG) Or (EKG) Graphic recording of the electrical changes in the heart muscle, as detected by electrodes placed on the chest. Electrocardiography is used in the diagnosis of heart disease.
Record of electric currents inducing heart-beat, used in diagnosis of heart disorder. (abbr. E.C.G.).
A graphical record of the cardiac cycle produced by an electrocardiograph; SYN. cardiogram, EKG, ECG.