Other causes are multiple pulmonary emboli, RV infarction, pulmonary arterial hypertension, tricuspid regurgitation, tricuspid stenosis, mitral stenosis, pulmonary artery stenosis, pulmonic valve stenosis, pulmonary venous occlusive disease, arrhythmogenic RV cardiomyopathy, or congenital disorders such as Ebstein anomaly or Eisenmenger syndrome.