Floating Bodies in the Left Atrium by 2D-echo: A Differential Diagnosis.

Two-dimensional echocardiography (2D-echo) is sensitive in detecting floating bodies in the left atrium. Identification of a freefloating left atrial thrombus, as a source of embolus, is a common indication for 2D-echo. Screening for other cardiac conditions such as valvular heart diseases often, if not common, reveal floating bodies in the left atrium. The differential diagnosis of a floating body in the left atrium will be discussed.