Electrocardiography; the cardiac arrhythmias.
D001145:Arrhythmias, Cardiac; D001281:Atrial Fibrillation / Q000175:diagnosis*; D004562:Electrocardiography; D006801:Humans; D013610:Tachycardia; D013614:Tachycardia, Paroxysmal
AURICULAR FIBRILLATION/diagnosis; ELECTROCARDIOGRAPHY; TACHYCARDIA, PAROXYSMAL