This case highlights the utility of transoesophageal echocardiography in diagnosing rare congenital anomalies like posterior mitral valve leaflet hypoplasia presenting in late adulthood.
Alerts clinicians to congenital mitral anomalies in unexplained adult MR; leaves open prevalence, natural history, and management data.
A 76-year-old male with a pacemaker presented with acute pulmonary oedema requiring invasive mechanical ventilation. Transthoracic echocardiography (TTE) revealed a partially flail anterior mitral leaflet, severe mitral regurgitation (MR), and pulmonary hypertension, not present on previous TTEs. Transoesophageal echocardiography (TEE) demonstrated an elongated anterior mitral valve leaflet (AMVL) with a flail A2 …
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Yazdan-Ashoori et al. (2014) studied this question.