Guidelines for pediatricians, neonatologists and obstetricians A.S. Sharykin "Perinatal cardiology" considers such issues as general cardiology, methods of fetal and newborn research and symptoms of heart pathology in the subjects are presented, transient tricuspid valve insufficiency, arterial hypoxemia in pediatrics, congenital heart defects in neonatology and heart failure in newborns, myocardial diseases, rhythm disturbances in the newborn, fetal heart dysfunction in non-heart diseases.