1. Volume 76, Issue 3, Pages 331-333 (September 1979)
Echocardiographic Features of Mitral Obstruction due to Bacterial Endocarditis 
Mohsin Alam, M.D., Joseph W. Lewis, M.D., Sol D. Pickard, M.D., Sidney Goldstein, M.D. 
CHEST 
Volume 76, Issue 3, Pages (September 1979)
DOI: /chest
Copyright © 1979 The American College of Chest Physicians Terms and Conditions

2. Figure 1
M-mode echocardiograms of patient. A (left), Dense mass of echoes (arrowhead) posterior to anterior mitral leaflet. Posterior mitral leaflet cannot be identified from mass. B (right), After reducing coarse gain, leading edge of mass of echoes (arrow) can be clearly visualized at short interval after mitral valvular opening.
CHEST  , DOI: ( /chest )
Copyright © 1979 The American College of Chest Physicians Terms and Conditions

3. Figure 2
Two-dimensional echocardiograms in long axis view of mitral valve in systole (S; left) and diastole (D; right). Note mass (m) of echoes on atrial surface of mitral leaflets during systole. During diastole, mass obstructs mitral orifice. A, Aorta; and LA, left atrium.
CHEST  , DOI: ( /chest )
Copyright © 1979 The American College of Chest Physicians Terms and Conditions