Cor triatriatum
Background
- Congenital Anamoly with heart with three atria
- Either LA or RA can be divided into 2 compartments (cor triatriatum sinistrum vs cor triatriatum dextrum)
- Can be associated with other congenital syndromes including tetralogy of Fallot, double outlet RV, coarctation of aorta, VSD, AV septal defect
- 0.1-0.4% incidence in USA
