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  • Title: [Programmed atrial and ventricular stimulation in patients with mitral valve prolapse--a personal experience].
    Author: Gil R, Kornacewicz-Jach Z, Kaźmierczak J, Goracy J, Płońska E.
    Journal: Pol Tyg Lek; ; 47(22-23):483-6. PubMed ID: 1437774.
    Abstract:
    Electrophysiological tests were performed in 60 patients aged between 18 and 63 years (mean age 38 years), and divided into two groups: with mitral valve leaves prolapse syndrome, and without this abnormality, in whom no other heart disease was diagnosed. Refraction of the right atrium, atrio-ventricular node, and right ventricle was evaluated together with cardiac response to different types of electrostimulation. A supraventricular dysrhythmia (most frequently atrial fibrillation) has been produced in 17 patients (42.5%) with mitral valve leaves prolapse syndrome whereas in the control group the same was produced in 2 patients (10%). Programmed stimulation of the ventricles did not produce ventricular tachycardia in none patient of both groups. Multiple ventricular beats have been produced in 3 patients with mitral valve prolapse syndrome and pairs of ventricular beats in other 3 patients of this group. Results suggest that "arrhythmogenic tendency", especially supraventricular dysrhythmia is more frequent in patients with mitral valve prolapse syndrome than in the general population.
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