Table 1. Types and frequencies of perioperative cardiac arrhythmia, according to Refs. 3–12.

Perioperiative arrhythmia	Frequency (%)
Supraventricular arrhythmias  – atrial tachycardia  – AVNRT/AVRT  – supraventricular extrasystoles  – atrial fibrillation	≤ 16   ≤ 6   ≤ 100   ≤ 40
Ventricular arrhythmias  – ventricular fibrillation  – ventricular extrasystoles  – ventricular tachycardia	≤ 3   ≤ 100   ≤ 15
Bradycardias  – high-grade AV block  – sinus arrest	≤ 16   ≤ 2

AVNRT, AV node reentry tachycardia; AVRT, AV reentry tachycardia