A Congenital Malformation

SEABURY W. ALLEN
1902 Boston Medical and Surgical Journal  
ing additional to offer in explanation of the arterial murmurs produced by the electric-light bath. As indicated above, the functional mitral murmurs have been explained, and probably correctly, as due to a temporary relaxation of the mitral sphincter, or of the papillary muscles, thus producing an actual but transient mitral régurgitation. The same causes would not bo operative at the aortic valve. Providing the anatomy of the aortic valve was such that temporary relaxa-
doi:10.1056/nejm190204031461403 fatcat:ebstnbrsxfgvpbfqmn27a6z6sa