An electrocardiogram performed during the occurrence of symptoms may confirm the diagnosis of<unk> .
AVNRT electrocardiogram
Atrial flutter electrocardiogram
Paroxysmal AV block Electrophysiologic studies
Pacemaker syndrome electrocardiogram
Pulseless ventricular tachycardia electrocardiogram
Brugada syndrome electrocardiogram
Junctional tachycardia electrocardiogram
Wide complex tachycardia electrophysiologic testing