| Pressure overload | Massive pulmonary embolism (acute) |
| Pulmonary hypertension (PH) | |
| - Pulmonary arterial hypertension | |
| - PH due to left heart disease | |
| - PH due to lung disease and/or hypoxemia | |
| - PH due to chronic thrombotic and/or embolic disease | |
| - PH due to other causes | |
| Pulmonary artery stenosis (supravalvular, branch, peripheral) | |
| Pulmonary valve stenosis | |
| Infundibular/subvalvular stenosis (including Tetralogy of Fallot) | |
| Systemic right ventricle | |
| Volume overload | Atrial septal defect |
| Tricuspid valve regurgitation (including Ebstein's anomaly) | |
| Pulmonary valve regurgitation | |
| Anomalous pulmonary venous connections | |
| Intrinsic pathology | Right ventricular infarction (acute) |
| Arrhythmogenic right ventricular cardiomyopathy (ARVC) | |
| Primary cardiomyopathies | |
| Secondary cardiomyopathies |
