the following types of arrhythmia were identified : supraventricular extrasystoles ( n = 84 ) , paroxysmal tachycardia ( n = 6 ) , sinus bradycardia ( n = 3 ) , atrial flutter ( n = 1 ) , ventricular extrasystoles ( n = 14 ) , and atrioventricular block ( n = 5 ) .
C0003811
arrhythmia
C0004239
atrial flutter