Phenomenon of supernormality in the human heart.
D000328:Adult; D000368:Aged; D001285:Atropine / Q000627:therapeutic use; D002037:Bundle-Branch Block / Q000503:physiopathology*; D004562:Electrocardiography; D005260:Female; D006329:Heart Conduction System / Q000187:drug effects / Q000503:physiopathology*; D006331:Heart Diseases / Q000503:physiopathology; D006352:Heart Ventricles; D006439:Hemodynamics; D006801:Humans; D008297:Male; D008564:Membrane Potentials; D008875:Middle Aged
D001285:Atropine