Table 5. Clinical characteristics and CMRI findings among patients with arrhythmia (n = 25).

ARVC: arrhythmogenic right ventricular cardiomyopathy; CMRI: cardiac magnetic resonance imaging; HCM: hypertrophic cardiomyopathy; ICM: ischemic cardiomyopathy; LGE: late gadolinium enhancement; LSVC: left superior vena cava draining; LV: left ventricle; MRI: magnetic resonance imaging; NSVT: non-sustained ventricular tachycardia; RV: right ventricle

Arrhythmia	n (%)
Types of arrhythmias
Frequent ventricular ectopic	8 (32%)
Ventricular tachycardia	6 (24%)
NSVT	1 (4%)
Supraventricular ectopic	4 (16%)
Supraventricular tachycardia	3 (12%)
Atrial fibrillation	2 (8%)
Atrial flutter	1 (4%)
Cardiac MRI findings
ICM	1 (4%)
ARVC	1 (4%)
Myocarditis	2 (8%)
HCM	2 (8%)
Persistent LSVC	2 (8%)
Valvular heart diseases	2 (8%)
Abnormal Cardiac MRI without definitive diagnosis	6 (24%)
Normal cardiac MRI	8 (32%)
LV dysfunction	5 (20%)
RV dysfunction	5 (20%)
Chamber dilatation	13 (52%)
Wall edema	1 (4%)
Prolonged native T1	6 (24%)
Prolonged native T2 was prolonged	2 (8%)
LGE	2 (8%)