Version July 2025
| Cardiovascular disease |
| Arrhythmic causes |
| Supraventricular tachycardia |
| Long QT interval syndrome |
| Idiopathic ventricular tachycardia |
| Myocardial infarction causing bradycardias and tachycardias |
| Right ventricular dysplasia |
| Nonarrhythmic causes |
| Pulmonary embolus |
| Pulmonary hypertension |
| Dissecting aortic aneurysm |
| Subclavian steal |
| Atrial myxoma |
| Cardiac tamponade |
| Noncardiovascular disease |
| Reflexes |
| Defecation |
| Glossopharyngeal |
| Postprandial |
| Carotid sinus hypersensitivity |
| Hyperventilation |
| Anaphylaxis |
| Migraine |
| Carcinoid syndrome |
| Systemic mastocytosis |
| Metabolic |
| Hypoglycemia |
| Hypoxia |
| Multivessel obstructive cerebrovascular disease |
