Chow W H, Chow L T, Ng W
Department of Medicine, Grantham Hospital, Aberdeen, Hong Kong.
Int J Cardiol. 1993 Jun;39(3):213-5. doi: 10.1016/0167-5273(93)90041-e.
A patient in whom a free-floating but immobile ball thrombus developed in the left atrium in association with mitral stenosis is reported. Certain unusual echocardiographic findings are described.