As with many congenital heart diseases, the causation of<unk>  triatriatum has not been definitively proven. A number of theories exist to explain how this defect occurs including: Malincorporation theory, Malseptation theory, and the Entrapment theory. During pregnancy, both genetic disease and environmental factors such as viral infection and poor nutrition may play role to develop<unk>  triatriatum in fetus.
Cor triatriatum causes
Cor triatriatum differential diagnosis
Patent ductus arteriosus causes
Pulmonary valve stenosis causes
Ventricular septal defect causes
Mitral valve prolapse causes
Hypertrophic cardiomyopathy causes
Cor triatriatum anatomy