Cor Triatriatum Sinister with Secundum Atrial Septal Defect

摘要

class="kwd-title">Keywords: Cor triatriatum, Atrial septal defect, Transesophageal echocardiography, Magnetic resonance imaging class="head no_bottom_margin" id="sec1title">IntroductionCor triatriatum sinister is a relatively rare congenital condition in which the left atrium is bisected by a fibromuscular membrane into two distinct chambers. There are multiple hypotheses for the embryologic origin of this congenital defect. The presentation of patients can be during infancy, childhood, or adulthood, and this is due largely to variation in both the degree of obstruction to pulmonary venous return and the presence of associated lesions. We describe the case of a patient presenting in early adulthood with symptoms associated with cor triatriatum sinister and an atrial septal defect (ASD).