M-Mode and 2D echocardiography can visualize anomalous chordae tendinae in the left ventricular outflow tract, which must be differentiated from more serious forms of heart disease.
A unique instance of an anomalous chorda tendinae visualized in the left ventricular outflow tract during M-Mode and two-dimensional echocardiography, and subsequently confirmed during surgery for concomitant severe rheumatic valvular disease, is described. The M-Mode appearance can be confused with more serious forms of heart disease manifesting extraneous echoes in the outflow tract, and an approach to these echoes is described, based on a review of the literature.
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Choo et al. (1982) studied this question.
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