Table 4.

Electrocardiographic findings and arrhythmia burden of our cohort.

Patients	AV Conduction	IV Conduction	QRS Complex	VRA	VE	NSVT	SVT
1	Normal	Normal	Low voltage	TWI (Anterior and infero-lateral leads)	Frequent, Polymorphic	Yes	SVPT
2	Normal	LAD	PRWP	NSA	Occasional	n.d.	n.d.
3	Normal	RAD	Normal	Normal	Occasional	n.d.	SVPT
4	Normal	Normal	Normal	TWI (Inferior leads)	Very frequent, Polymorphic	Yes	n.d.
5	Normal	Normal	Normal	NSA	Frequent, Polymorphic	n.d.	n.d.
6	Normal	Normal	fQRS	NSA	Frequent, Polymorphic	n.d.	n.d.
7	Normal	Normal	fQRS	Normal	Occasional	n.d	n.d.
8	Normal	Normal	Low voltage	NSA	Frequent, Polymorphic	Yes	n.d.
9	Normal	Normal	Low voltage	NSA	Frequent, Polymorphic	n.d.	n.d.
10	Normal	LAH	Low voltage Wide QRS	Normal	Occasional, Polymorphic	n.d.	n.d.
11	Normal	Normal	fQRS, Q wave	Normal	Frequent, Polymorphic	n.d.	n.d.
12	Normal	Normal	Low voltage	NSA (infero-lateral leads)	Frequent, Polymorphic	n.d.	n.d.
13	Normal	EAS	Normal	NSA	Frequent, Polymorphic	Yes	n.d.
14	Normal	Normal	Low Voltage	NSA (infero-lateral leads)	Frequent, Polymorphic	Yes	n.d.
15	Normal	Normal	fQRS, Q wave	NSA	Frequent, Polymorphic	Yes	Yes
16	AVB I	Normal	Normal	NSA (infero-lateral leads)	Frequent Polymorphic	n.d.	Yes
17	Normal	Normal	Normal	Normal	Occasional Polymorphic	n.d	n.d.
18	Normal	Normal	fQRS	NSA	Frequent, Polymorphic	Normal	Normal

AV conduction: Atrio-ventricular conduction; IV conduction: Intraventricular conduction; VRA: Ventricular Repolarization abnormalities; VE: Ventricular Ectopia; NSVT: Non-sustained Ventricular Tachycardia; SVT: Supra-ventricular Tachycardia; LAD: Left Axial Deviation; PRWP: Poor R Wave Progression; NSA: Non-specific abnormalities; RAD: Right Axial Deviation; SVPT: Supra-ventricular Paroxysmal Tachycardia; TWI: T wave inversion; fQRS: Fragmentation of QRS complex; LAH: Left anterior hemiblock; n.d.: not detected.