Abstract
This article presents the basic principles for the diagnosis and treatment of acute myocarditis in older children. ECG, ECHO cardiographic data are given. Data on specific cardioenzymes are also given . The following laboratory tests were carried out according to generally accepted methods: complete blood count with determination of hemoglobin, counting of leukocytes and erythrocytes, determination of capillary blood leukocyte formula , erythrocyte sedimentation rate; general urine analysis: color, reaction, specific gravity, protein, sugar, sediment microscopy; biochemical blood test (rheumatological tests); total protein, albumins, globulins, protein fractions - tti , Og , P, y. C-reactive protein (CRP), seromucoid .