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3D Echocardiography — EECC MCQ

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ModerateCardiac Imaging3D EchocardiographyEECC

A cardiology trainee asks about the role of 3D echocardiography in clinical practice. For which specific clinical scenario does 3D echo provide the greatest added value over standard 2D echo?

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Correct answer: A — Mitral valve assessment for surgical planning — 3D TEE provides the 'surgeon's view' of the mitral valve, accurately depicting leaflet prolapse, flail segments, and commissural relationships, critical for predicting repair feasibility

3D echocardiography (particularly 3D TEE) provides transformative clinical value in: (1) Mitral valve assessment — the 'en face' or 'surgeon's view' shows the complete mitral valve anatomy from the atrial perspective, precisely localising prolapse/flail segments (Carpentier classification), commissural relationships, and annular dimensions, which is critical for predicting repair feasibility and planning the surgical approach; (2) LV volume/EF measurement — 3D echo avoids geometric assumptions inherent in 2D methods (Simpson's biplane), improving accuracy; (3) Structural heart intervention planning (TAVI, TEER, LAA occlusion); (4) Prosthetic valve assessment. The ESC Imaging Guidelines recommend 3D TEE for pre-surgical mitral valve assessment at centres performing MV repair.

Reference: EACVI 3D Echocardiography Recommendations