Table 1.

Reasons for performing EPS

	Total (n = 100)
PR interval >200 ms and QRS complex >120 ms on resting ECG	46
PR interval ≥200 ms on resting ECG	26
QRS complex >120 ms on resting ECG	10
Conduction delay on Holter monitoring (with normal ECG)	6
Conduction delay on Holter monitoring (with abnormal ECG)	3
Other ECG abnormalities on resting ECG	5
PR interval >200 ms on resting ECG and cardiac complaints	2
Recurrent cardiac complaints with normal resting ECG	2

EPS, electrophysiological study; ECG, electrocardiogram.