Key result
Emergent bioprosthetic mitral valve replacement resulted in rapid resolution of asymmetric pulmonary infiltrates and full clinical recovery in a patient with acute severe mitral regurgitation.
Case Report (n=1)
Acute mitral regurgitation can present with unilateral pulmonary edema mimicking pneumonia, highlighting the importance of echocardiography in sudden-onset hypoxic respiratory failure.
Unilateral infiltrates in flash edema may reflect acute mitral regurgitation; this Level 5 case leaves open its prevalence and diagnostic yield.
We describe a rare entity in which acute mitral regurgitation causes asymmetric findings on chest radiograph. The patient presented with rapid-onset respiratory failure from flash pulmonary edema. She had unilateral infiltrates on chest radiograph, which evoked infectious etiology. However, we identified a flail mitral valve leaflet, for which the patient received an emergent mitral valve replacement. Fortunately, she made a full recovery. We discuss the mechanism of the asymmetric chest radiograph findings, which we were able to confirm using a transesophageal echocardiogram.
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Wallis et al. (2021) conducted a case report in Acute mitral regurgitation (n=1). Bioprosthetic mitral valve replacement was evaluated. Emergent bioprosthetic mitral valve replacement resulted in rapid resolution of asymmetric pulmonary infiltrates and full clinical recovery in a patient with acute severe mitral regurgitation.
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