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Violations of the cardiovascular activity in children, causes, symptoms and prevention.

The most common heart diseases at an early age are its congenital malformations and myocarditis.

Congenital heart defects are formed at the early stages of embryo development (at 2–8 weeks of gestation) and depend on anatomical disturbances in the structure of the heart, large vessels, and the valve apparatus of the heart. Causes: exogenous effects on organogenesis mainly in the first trimester of pregnancy (rubella, maternal alcoholism, the use of certain drugs, the effects of ionizing radiation, etc.). Symptoms are very diverse and are determined by the features of the defect, the degree of compensation and the resulting complications. Most often, children are characterized by small growth, physical weakness, often they develop pallor of the skin or their cyanosis (cyanosis). Prevention: elimination of possible etiological factors.

Myocarditis, an inflammation of the heart muscle, most often develops in infectious diseases.
Causes: damage to the heart muscle (most often viruses), exposure to toxins (with diphtheria), pathological immune reactions (with rheumatism). Symptoms can be stormy: shortness of breath, palpitations, chest pain, fever (or re-rise in the background of the current disease); but may be barely noticeable: lethargy, pale skin, "shadows" under the eyes, blue around the mouth, avoidance of physical activity, shortness of breath with exertion, "inexplicable" temperature rises. Prevention: timely treatment of infectious diseases.

Rheumatism is a chronic disease with a primary lesion of the heart and blood vessels and frequent damage to the joints.

Syncope is a mild form of vascular insufficiency caused by hypoxia of the brain.
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Violations of the cardiovascular activity in children, causes, symptoms and prevention.

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