Cor triatriatum

external

• Synonyms

  • Left atrial membrane

• Effects

  • Mitral stenosis

• Parents

  • Acyanotic heart disease

• Description

  • "One atrium subdivided by a thin membrane
  • resulting in three atrial chambers. Upper chamber gets venous blood from both vena cavae. Lower chamber is in contact with the tricuspid valve. Mortality may exceed 75% in untreated symptomatic cases. "