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Year : 2013  |  Volume : 14  |  Issue : 2  |  Page : 88-89

Giant interatrial septal aneurysm mimicking a left atrial mass

Department of Medicine, University of Toledo Medical Center, Toledo, Ohio, USA

Correspondence Address:
Samer J Khouri
Department of Medicine, Division of Cardiovascular Medicine, University of Toledo Medical Center, 3000 Arlington Avenue, Toledo, Ohio - 43614
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/1995-705X.115503

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Interatrial septal aneurysm (IASA) consists of redundant atrial septal tissue, which bulges into either the left or the right atrium. The clinical implications of this entity are not entirely clear; however, if it is associated with other cardiac abnormalities such as patent foramen ovale and atrial septal defects. It may assume significance by increasing the risk of cardioembolic events such as stroke. We present a case of an individual with giant IASA detected by transesophageal echocardiography, which was mimicking a left atrial mass on transthoracic echocardiography. This case emphasizes the superiority of transesophageal imaging over transthoracic echocardiography for this clinical entity.

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