Abstract

MUNERA E, Ana G; RODRIGUEZ Z, Juan S; CORREA V, Natalia  and  BERMUDEZ M, Jorge A. Clinical case of Cor triatriatum in a patient with CHA₂DS₂VASc 1-point atrial fibrillation. Cardiovasc. metab. sci [online]. 2022, vol.33, n.1, pp.21-25.  Epub May 22, 2023. ISSN 2954-3835.  https://doi.org/10.35366/104034.

Cor triatriatum sinistrum (CTS) is a rare congenital cardiac anomaly with an incidence of 0.1% of all hereditary heart diseases, and its finding is more infrequent in adulthood. It is characterized by presenting a left atrium divided into two chambers by a fibromuscular membrane that may have or not have fenestrations. It has been reported that severe obstruction is indicated by maximum Doppler velocity greater than 2 m/s or a trans-membranous pressure > 10 mmHg. In this article, we present the case of a 68-year-old male patient, who presented de novo an atrial fibrillation episode in the context of infectious disease, with a transesophageal echocardiogram showing CTS and a CHA2DS2VASc score of 1 point, raising the question of whether it should be anticoagulated, given that the evidence in this setting is limited.

Keywords : Cor triatriatum; atrial fibrillation; congenital cardiac anomaly.

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