Causes
- Pulmonary Hypertension
- Infective endocarditis
- Rheumatic heart disease
- Congenital absence of the pulmonary valve
- Carcinoid Syndrome
- Congestive abnormalities
- Tetralogy of Fallot, a malformation of the heart characterized by four co-occurring defects: 1) a ventricular septal defect, 2) a misplaced origin of the aorta causing it to override the septal defect, 3) narrowing of the pulmonary artery, and 4) enlargement of the right ventricle.
- Itrogenic (post surgical repair for congenital heart disease)
- Chest trauma
- Carcenoid heart disease(tumor)
- Prosthetic heart valve dysfunction
Read more about this topic: Pulmonic Regurgitation