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Concept information

Preferred term

cor triatriatum

Type

  • Topic

Definition

  • Information 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
  • triatrial heart

In other languages

URI

https://lod.nal.usda.gov/nalt/204167

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