[Diagnostic value of the ECG ventricular gradient in myocardial diseases].
D004562:Electrocardiography; D006331:Heart Diseases / Q000175:diagnosis*; D006801:Humans; D009205:Myocarditis / Q000175:diagnosis*
O diagnosticheskoĭ tsennosti zheludochkovogo gradienta EKG pri bolezniakh myshtsy serdtsa