Source:http://linkedlifedata.com/resource/umls/id/C2983652
NCI: An abnormal R wave that is part of the QRS complex in an electrocardiographic recording, which occurs due to a disturbance in the depolarization mechanism of the ventricular myocardium.,NCI: An abnormal R wave that is part of the QRS complex in an electrocardiographic recording, which occurs due to a disturbance in the depolarization mechanism of the ventricular myocardium. (NCI)