1 MCQs in Medicine for NEET PG
A 22-year-old male with Ebstein anomaly presents with progressive effort intolerance, mild cyanosis on exertion, and palpitations. Echocardiography confirms apical displacement of the septal tricuspid leaflet by >8 mm/m² relative to the anterior mitral leaflet, with tethering and reduced mobility of these leaflets. The structure marked **A** in the diagram demonstrates these characteristic findings. Which of the following best explains the mechanism of tricuspid regurgitation in this patient?
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