Cor Triatriatum
MESHD003310
A malformation of the heart in which the embryonic common PULMONARY VEIN was not incorporated into the LEFT ATRIUM leaving behind a perforated fibromuscular membrane bisecting the left atrium, a three-atrium heart. The opening between the two left atrium sections determines the degree of obstruction to pulmonary venous return, pulmonary venous and pulmonary arterial hypertension.
Synonyms
- Cor Triatriatum Sinistrum
- Subdivided Left Atrium
- Atriums, Subdivided Left
- Atrium, Subdivided Left
- Left Atriums, Subdivided
- Left Atrium, Subdivided
- Subdivided Left Atriums
- Triatrial Heart
- Hearts, Triatrial
- Heart, Triatrial
- Triatrial Hearts
Source last updated 2026-05-24T15:27:57.172Z