Mitral Stenosis

Description

A previously healthy 29-year-old Mexican woman presented to an emergency department with transient hemiparaesthesias and dysarthria. There was no evidence of stroke on cross-sectional imaging of the head, and she was discharged without a clear diagnosis. Two days later, she returned with acute abdominal pain. Abdominal imaging revealed complete occlusion of the right renal artery, prompting emergency embolectomy. Following the procedure, she developed acute haemoptysis, dyspnoea and hypoxaemia. Chest imaging demonstrated evidence of pulmonary venous hypertension. Cardiac auscultation revealed an opening snap followed by a diastolic murmur with presystolic accentuation. These sounds were better appreciated in combination with phonocardiography, a technique supplanted by echocardiography in the 1970s1 that visualised heart sounds (video 1). An echocardiogram confirmed the presence of mitral stenosis (MS), unifying the syndrome of embolic phenomena, haemoptysis and pulmonary hypertension. She underwent successful mitral valve replacement and has since returned to normal...

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