1 From the Cardiovascular Department, Medical Research Institute, Michael Reese Hospital, Chicago, Ill.
A Valsalva-like maneuver was performed during cardiac catheterization by a normal group of individuals and a group of patients with acoustic evidence of mitral stenosis. The latter group was subdivided according to its response to the maneuver. The mild group, like the normal group, showed an "overshoot" of blood pressure and a bradycardia in the post-straining period, whereas the severe mitral stenosis group did not. The relatively undisturbed dynamics of the mild mitral stenosis group, in contrast to the marked disturbance in the severe group, was felt to be due to the amount of obstruction at the mitral valve. Additional data from the cardiac catheterizations of these patients is presented to substantiate this concept. This simple maneuver may prove to be a bedside method for the evaluation of the dynamic significance of mitral stenosis.
© 1952 American Heart Association, Inc.
The Effects of the Valsalva-like Maneuver upon the Circulation in Normal Individuals and Patients with Mitral Stenosis
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