Objective To explore the characteristics of pediatric rheumatic fever and rheumatic heart disease and provide guidance for clinical diagnosis and treatment.Methods 70patients with rheumatic fever and rheumatic heart disease according to the typical symptom divided into the observation group(43cases)and control group(27cases)were retrospectively analyzed.Results The incidence of myocarditis of observation group(60.47%)was significantly higher than that of the control group(33.33%)(χ2=4.513,P<0.05).The incide...