The idea so long held and so frequently quoted by textbooks, that mitral disease is by far the most frequent of the valvular lesions of the heart, must, in my opinion, be modilied. From my own experience in private practice as well as from extensive hospital material, I believe that aortic lesions are as frequent as, or more frequent than, lesions at the mitral orifice.
The total number of heart lesions on the South Medical Service of the Cincinnati Hospital on Dec. 21, 1911, numbered fifteen cases, classified as follows:
Mitral lesions, 3; aortic lesions, 5; aneurysms of aorta, 2; combined mitral and aortic lesions, 4; pericarditis, 1.
From past experience with the material in the Cincinnati Hospital, this does not differ greatly from the usual run of heart lesions seen on this service.
From the records of this hospital it is found that for the four years, 1900 to