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Updated: Aug 15, 2026

Echocardiographic Evaluation of Atrial Communications before Transcatheter Closure
Published on: February 8, 2022
Non-invasive diagnosis of a free-floating left atrial thrombus with emphasis on two-dimensional echocardiographic
Abstract:
Two-dimensional echocardiography permitted identification of a large free-floating left atrial thrombus in a patient with mitral stenosis. A specific pattern of motion afforded its recognition and differentiation from mural left atrial thrombosis and tumors. Phonocardiographic tracings revealed a non-ejection systolic click and opening snap. A gated blood pool scintigram disclosed a left atrial filling defect. Subsequent left atrial angiography and left atriotomy confirmed the non-invasive findings.
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