QRS Complex Enlargement as a Predictor of Ventricular Arrhythmias in Patients Affected by Surgically Treated Tetralogy of Fallot: A Comprehensive Literature Review and Historical Overview

Table 1

Different types of studies performed to investigate the influence of QRS duration on the development of ventricular arrhythmias in patients who had undergone surgery for Tetralogy of Fallot.

Research area	Ref.
First report	[6]
Reviews	[1–3, 7, 8, 48]
Risk factors	[4, 5, 49]
QRS measurement modality	[9]
QRS duration and right ventricle size	[1, 10–28, 50, 51]
QRS duration coupled with other ECG parameters	[29–35]
Influence of physical exercise on QRS duration	[36–40]
QRS and electrophysiological study	[41–44]
Therapeutic options	[45–47]