Abstract
Currently, сongenital heart defects are the most extensive
nosological group in terms of number and significance due to high rates of
detection and mortality among the child population. Also pays serious attention to
identifying regional features for the development of congenital heart defects in
children. In particular, background pathologies (lymphatic diathesis) is
characterized by the chronicity of various acute inflammatory processes in the
child's body, the development of secondary unclassified immunodeficiency
syndromes.

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