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Updated: Oct 11, 2025

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
Incidental TEE finding of aberrant chordae tendineae insertion into the basal septum
Christopher Spencer1, Scott Heller1, Karen Singh1
1Department of Anesthesiology, University of Virginia Health System, Charlottesville, Virginia, USA.
Abstract:
A 65-year-old female with severe mitral regurgitation presenting for mitral valve replacement was found to have a previously undiagnosed aberrant papillary muscle with thickened chordae tendineae inserting into the basal septum during intra-operative TEE. Despite its anatomic location, there was no evidence that the aberrant papillary muscle was contributing to the mitral regurgitation or causing left ventricular outflow tract (LVOT) obstruction. The aberrant papillary muscle was resected during the operation and the patient was separated from cardiopulmonary bypass without complications.
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