| Volume overload |
| Tricuspid valve regurgitation (including Ebstein anomaly) |
| Pulmonic valve regurgitation |
| Atrial septal defect |
| Anomalous pulmonary venous connection |
| Pressure overload |
| Pulmonary embolism |
| Pulmonary hypertension (PH) |
| • Pulmonary arterial hypertension (PAH) |
| • PH due to left-heart disease |
| • PH due to chronic lung disease |
| • PH due to chronic thromboembolic disease (CTEPH) |
| • PH due to unclear or multifactorial mechanisms (eg, hematologic, systemic, metabolic) |
| Pulmonic valve stenosis |
| Subvalvular right ventricular outflow stenosis or obstruction |
| • Tetralogy of Fallot |
| • Double-chambered right ventricle |
| • Hypertrophic cardiomyopathy (rare cause) |
| • Other causes (eg, redundancy of the tricuspid valve tissue, aneurysm of the sinus of Valsalva, or aneurysm of the membranous septum) |
| Supravalvular pulmonary artery stenosis (including branch pulmonary artery stenosis) |
| Right ventricular to pulmonary artery conduit stenosis |
| Congenital heart disease with systemic right ventricle |
| Cardiomyopathic processes |
| Right ventricular ischemia or infarction |
| Nonischemic cardiomyopathy with right ventricular involvement |
| Arrhythmogenic right ventricular cardiomyopathy |
| Endomyocardial fibrosis |
| Infiltrating cardiac tumor |
| Ebstein anomaly (abnormalities of tricuspid valve and right ventricle) |
