Professional Version
Right-to-left shunts include Tetralogy of Fallot Tetralogy of Fallot in Animals Tetralogy of Fallot is an uncommon but complex congenital defect comprised of pulmonic stenosis, ventricular septal defect, right ventricular hypertrophy, and overriding aorta. Clinical signs... read more 
and truncus arteriosus Other Cyanotic Heart Diseases in Animals Patent ductus arteriosus, ventricular septal defect, and atrial septal defect with Eisenmenger syndrome are described elsewhere. Other cyanotic heart diseases, including truncus arteriosus,... read more .
