Resumo

QUESADA-CHAVES, Daniel; GARZONA-NAVAS, Andrés-Francisco  e  GARZONA-NAVAS, Gloriana-María. Cor Triatriatum Sinester. Acta méd. costarric [online]. 2017, vol.59, n.2, pp.67-69. ISSN 0001-6002.

Cor Triatriatum Sinister is a rare congenital heart defect, representing 0.1 to 0.4% of all cardiac malformations. This condition is characterized for an abnormal division of the left atrium by a fibromuscular membrane that generates two cavities, which are connected by one or more orifices with different degrees of obstruction. This condition is associated with other cardiac abnormalities mainly related to atrial septal defects. Its presentation in pediatric patients is often lethal, in adults it may appear as heart failure symptoms or as an asymptomatic finding in echocardiography depending on the pressure gradient between cavities. We present a case report of a 30 years old male without chronic conditions, who complained of dyspnea with strenuous physical activity occurring in the last 6 months, who was diagnosed with a cor triatriatum sinister by the use of transthoracic and transesophageal echocardiogram.

Palavras-chave : Congenital abnormalities; cor triatriatum; dyspnea.

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