Related Experiment Video
Updated: Oct 21, 2025

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Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
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Successful Transcatheter Closure of a Rare Malaligned Atrial Septal Defect With a Membranous Chord
Syed W Haider1, Apurva Patel1, Edgar Argulian1
1Division of Cardiology, Icahn School of Medicine, Mount Sinai Morningside Hospital, New York, New York, USA.
JACC. Case Reports
|September 2, 2021
Abstract:
Atrial septal defect (ASD) is a common congenital defect that leads to various hemodynamic complications if untreated. Transcatheter closure (TCC) of isolated secundum ASD is the preferred treatment. Herein we describe a unique malaligned ASD secondary to a membranous chord. With balloon sizing and intracardiac echocardiography (ICE), TCC was successfully pursued. (Level of Difficulty: Beginner.).
Keywords:
ASD, atrial septal defectASO, atrial septal occluderCCT, cardiac computerized tomographyICE, intracardiac echocardiographyLUPV, left upper pulmonary veinRLPV, right lower pulmonary veinTCC, transcatheter closureTEE, transesophageal echocardiogramTTE, transthoracic echocardiogramatrial septal defectintracardiac echocardiographymalaligned atrial septal defecttranscatheter closure
