Asthma as a clinical presentation of cor triatriatum sinister in a Brazilian Amazon child: a case report

Cor triatriatum sinister (CTS) is an extremely rare congenital cardiac malformation characterized by the presence of a fibromuscular membrane subdividing the left atrium into two chambers. Although respiratory symptoms are often observed in patients with this anomaly, wheezing is an unusual clinical presentation. We report on a child, born and resident in the Brazilian Amazonia, with a history of recurrent episodes of ‘asthma’ who was...