PT - JOURNAL ARTICLE AU - C C Chen AU - M C Hsiung AU - B N Chiang TI - Variable diastolic rumbling murmur caused by floating left atrial thrombus. AID - 10.1136/hrt.50.2.190 DP - 1983 Aug 01 TA - British Heart Journal PG - 190--192 VI - 50 IP - 2 4099 - http://heart.bmj.com/content/50/2/190.short 4100 - http://heart.bmj.com/content/50/2/190.full SO - Heart1983 Aug 01; 50 AB - 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.