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Variable diastolic rumbling murmur caused by floating left atrial thrombus.
  1. C C Chen,
  2. M C Hsiung,
  3. B N Chiang


    A 53 year old man with a history of rheumatic mitral stenosis was admitted to hospital because of recurrent fainting spells. Auscultation showed a variable diastolic rumbling murmur. Simultaneous echo- and phonocardiograms demonstrated a floating left atrial thrombus; when this passed into the left ventricular inflow tract and obstructed the mitral valve orifice the diastolic murmur disappeared.

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