Rheumatic carditis is an inflammatory heart disease of infectious-allergic origin with primary damage to the myocardium, pericardium and the inner lining of large vessels. The inflammatory process involves the endocardium, myocardium and, in rare cases, heart valves. In 80-90% of cases, it is the onset of systemic rheumatism. Rheumatic cardiopathy is rare in adults, often manifests itself in childhood and, as a rule, serves as a manifest manifestation of rheumatic heart disease, regardless of from its location: endocarditis, myocarditis or pericarditis. This is systemic vasculitis