Significance of a notch during the initial 0.04 sec. of the QRS complex in the electrocardiogram.
D000293:Adolescent; D000328:Adult; D000368:Aged; D001344:Autopsy; D002037:Bundle-Branch Block / Q000175:diagnosis; D002648:Child; D002675:Child, Preschool; D004562:Electrocardiography; D005260:Female; D006331:Heart Diseases / Q000175:diagnosis*; D006352:Heart Ventricles; D006801:Humans; D006984:Hypertrophy / Q000175:diagnosis; D008297:Male; D008875:Middle Aged; D009203:Myocardial Infarction / Q000175:diagnosis; D011660:Pulmonary Heart Disease / Q000175:diagnosis; D013178:Sports Medicine; D014672:Vectorcardiography