| Ischaemic Heart Disease |
| Myocardial infarction (including non-ST segment elevation myocardial infarction) |
| Anomalous coronary origin |
| Coronary spasm |
| Inherited Channelopathies |
| Long QT syndrome |
| Short QT syndrome |
| Brugada syndrome |
| Early repolarisation syndrome |
| Catecholaminergic polymorphic ventricular tachycardia |
| Cardiomyopathies |
| Alcoholic |
| Hypertrophic |
| Idiopathic |
| Obesity-related |
| Fibrotic |
| Arrhythmogenic right ventricular cardiomyopathy |
| Myocarditis |
| Heart Failure |
| Especially with left ventricular ejection fraction <35 % |
| Valve disease |
| Aortic stenosis |
| Congenital diseases |
| Tetralogy of Fallot |
| Other causes |
| Severe electrolyte disturbances |
| Massive pulmonary embolus |
| Vigorous activity in sedentary individuals |
| Acute psychosocial and economic stress |
