© 1967 by European Society of Cardiology
Copyright © 1967, European Society of Cardiology
Movement of the Mitral Ring: A Study in Ultrasoundcardiography*
From the Department of Medicine, Indiana University School of Medicine, and the Krannert Heart Research Institute, Marion County General Hospital, Indianapolis, Indiana, U.S.A.
Senior Medical Student.
Authors' Synopsis: An identifiable ultrasound "echo" can be received, it is believed, from the mitral ring. Ring movement may thus be recorded in the intact subject. The recording shows a ventricular dimension type of curve, characteristically different from the well-known mitral valve echo pattern. Recorded from the apical area in 25 normal subjects, the movement amounted to 1·6 ± 0·4 cm, and the curve contour was remarkably constant. Deviations from normal were seen in heart disease.
* Supported in part by the Herman C. Krannert Fund, U.S.P.H.S. Grants HE 09815-01, HE-6308, HTS 5363, and the Indiana Heart Association.
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