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(Circulation. 1973;48:904.)
© 1973 American Heart Association, Inc.

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Communication of Mitral Valve with Both Ventricles Associated with Double Outlet Right Ventricle

RAJENDRA TANDON M.D.¹; JAMES H. MOLLR M.D.¹; JESSE E. EDWARDS M.D.¹

¹ From the Department of Pathology, United Hospitals-Miller Division, St. Paul, and the Departments of Pathology and Pediatrics, University of Minnesota, Minneapolis, Minnesota.

A rare case of an infant with "double inlet right ventricle" (straddling mitral valve) and double outlet right ventricle is described. Coarctation of the aorta was associated.

A left-to-right shunt resulted from part of the mitral valve opening into the right ventricle and also from the presence of a ventricular septal defect. The infant's clinical features reflected the shunt, although the valvular abnormality had not been suspected clinically. It is anticipated that left atriography might have identified this rare type of straddling atrioventricular valve.

Key Words: Double inlet right ventricle • Coarctation of aorta • Left-to-right shunt • Straddling mitral valve

Submitted on December 26, 1972
Accepted on April 13, 1973