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  • Title: [Arrhythmia and repolarization in children with mitral valve prolapse].
    Author: Wróblewska-Kałuzewska M, Piórecka-Makuła A, Tomik A.
    Journal: Wiad Lek; 2000; 53(9-10):513-7. PubMed ID: 11148918.
    Abstract:
    The aim of our study was to analyse arrhythmia and ST-T abnormality in patients with mitral valve prolapse (MVP). Study included 78 children, 53 girls and 25 boys aged between 4 and 17 years. In all children 12 lead ECG and 24 hours ECG Holter monitoring were performed with special concern to QT and QTc analyses. Patients were divided into two groups: group I included 13 pts with MVP without any mitral regurgitation (MR) and group II included 65 pts with MR. In group I 6 (47%) pts had mild arrhythmia. In group II 40 pts (62%) had different arrhythmias, among them 29 pts had mild arrhythmia (supraventricular and ventricular premature ectopic beats, atrio-ventricular block grade I) and 11 had severe arrhythmia (pair of ventricular ectopic beats, supraventricular tachycardia, ventricular tachycardia, atrio-ventricular block grade II). Thirteen pts with mild arrhythmia had chest pain, 17 had mild (< I grade) MR and 12 had severe (II-IV grade). In pts with severe arrhythmia 9 had symptoms, 8 had mild MR and 3 had severe MR (II-III degrees). Two (15%) pts from group I and 20 (31%) pts from group II had ST-T abnormalities. One patient (Syn Marfana) had long QTc.
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