| GUCH | Cardiomyopathy | Arrhythmias | Ischaemic heart disease | Miscellaneous |
| n = 62 | n = 11 | n = 24 | n = 2 | n = 1 |
| Septal defect (18) | Dilated cardiomyopathy (5) | SVT (22) | Coronary artery spasm (1) | Traumatic aortic dissection (1) |
| Left heart defects (29) | ARVC (1) | VT (1) | Coronary thrombus (1) | |
| Right heart defects(4) | Fabrys (1) | Ventricular bigemini (1) | ||
| Complex GUCH (11) | Peripartum (4) |
ARVC, arrhythmogenic right ventricular cardiomyopathy; GUCH, grown-up congenital heart disease; SVT, supraventricular tachycardia; VT, ventricular tachycardia.