NDLI: Exercise testing in mitral valve prolapse before and after beta blockade.

Content Provider	PubMed Central
Author	Abinader, E. G. Shahar, J.
Abstract	Exercise electrocardiograms must be interpreted with the understanding that not every positive test is indicative of coronary artery disease. Mitral valve prolapse mimics coronary heart disease clinically and often in the electrocardiographic response to exercise. Twelve patients with mitral valve prolapse in whom exercise testing was positive underwent a repeat study after beta blockade. All tracings returned to normal after adequate blockade, evidenced by 17 to 22% reduction of resting and exercise heart rates. To the best of our knowledge, this is the first such report in the English literature. The results of this study suggest that an exercise test after beta blockade should become part of the routine procedure in such patients. The elimination of false positive electrocardiographic responses by beta blockade should help improve the specificity of the exercise test. Moreover, similar responses should lead to the suspicion of mitral valve prolapse.
Starting Page	130
File Format	PDF
ISSN	00070769
Journal	British Heart Journal
Issue Number	2
Volume Number	48
Language	English
Publisher Date	1982-08-01
Access Restriction	Open
Subject Keyword	Research in Higher Education
Content Type	Text
Resource Type	Article
Subject	Cardiology and Cardiovascular Medicine

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Exercise testing in mitral valve prolapse before and after beta blockade.