Double inter-atrial septum is an exceedingly rare congenital cardiac abnormality. We describe a case of transient ischaemic attack in a 53 year-old female found to have double inter-atrial septa on transthoracic and transoesophageal echocardiography. The midline inter-atrial chamber enclosed by the two septa was found to be continuous with the left atrium, with stasis in this accessory chamber predisposing to thrombus formation and cardio-embolic events. The case highlights the importance of transoesophageal echocardiography in the investigation of stroke, particularly in younger individuals.
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Published online: October 08, 2012
Accepted: August 20, 2012
Received in revised form: August 18, 2012
Received: June 12, 2012
© 2012 Published by Elsevier Inc. All rights reserved.