title: Recognizing common cardiac arrhythmias.
mesh_terms: D001145:Arrhythmias, Cardiac / Q000175:diagnosis*; D001281:Atrial Fibrillation; D002302:Cardiac Output; D004562:Electrocardiography; D006327:Heart Block; D006329:Heart Conduction System / Q000503:physiopathology; D006801:Humans; D008297:Male; D008875:Middle Aged; D009200:Myocardial Contraction; D013610:Tachycardia