THE CHARACTERISTICS OF PROCESS OF RE-POLARIZATION OF MYOCARDIUM OF VENTRICLES IN CHILDREN WITH MINOR HEART MALDEVELOPMENT

Ibragim Isa ogly Isaev , A. I Mustafaeva , M. M Fatalieva

Russian Medicine ›› 2018, Vol. 24 ›› Issue (1) : 9 -12.

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Russian Medicine ›› 2018, Vol. 24 ›› Issue (1) : 9 -12. DOI: 10.18821/0869-2106-2018-24-1-9-12
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THE CHARACTERISTICS OF PROCESS OF RE-POLARIZATION OF MYOCARDIUM OF VENTRICLES IN CHILDREN WITH MINOR HEART MALDEVELOPMENT

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Abstract

The study was carried out to investigate characteristics of re-polarization of ventricles at ECG in children with various modifications of minor maldevelopments of heart development. The sampling consisted of 378 schoolchildren aged from 6 to 17 years. The schoolchildren with minor anomalies of heart development were separated in three groups according results of echo-ECG: 108 children with minor maldevelopments of sub-valvular structures of mitral valve; 92 children with minor maldevelopments of tricuspid valve; 82 children with minor maldevelopments of left ventricle. The rest of schoolchildren formed a control group. The various elements of early re-polarization of ventricles at ECG were more frequently observed in children with minor maldevelopments of sub-valvular structures of mitral valve and minor maldevelopments of left ventricle with specific alterations in leads V2-V4. The presence of junction point of ST segment was more frequently observed in children with minor maldevelopments of sub-valvular structures of mitral valve and minor maldevelopments of left ventricle. The shifting of "transitional" zone of R/S wave to the right and fast increasing of amplitude of R wave in leads V2-V4 were reliably registered more frequently in case of minor maldevelopments of left ventricle. The shortening of P-Q wave lesser than 0.12 seconds was observed more frequently in children with minor maldevelopments of sub-valvular structures of mitral valve. The children with various modifications of minor anomalies of heart development (2.2-12.2%), independently of clinical modifications and having on ECG stably conserved moderate and maximal elements of syndrome of early re-polarization of ventricles, are to be included into risk group of development of cardiovascular complications.

Keywords

children / dysplasia / heart minor maldevelopments / myocardium / ECG / re-polarization

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Ibragim Isa ogly Isaev, A. I Mustafaeva, M. M Fatalieva. THE CHARACTERISTICS OF PROCESS OF RE-POLARIZATION OF MYOCARDIUM OF VENTRICLES IN CHILDREN WITH MINOR HEART MALDEVELOPMENT. Russian Medicine, 2018, 24(1): 9-12 DOI:10.18821/0869-2106-2018-24-1-9-12

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