本文通过对14例小儿急性感染性疾病过程中并发感染中毒性心肌炎的临床资料分析,初步提出感染中毒性心肌炎的临床诊断依据。其症状体征为非特异性,且多缺乏心血管系统方面主诉,心电图以ST、T改变为主,心律失常较轻,其变化为一过性,随着原发病好转而消失。确诊条件強调原发病必须为细菌感染性疾病,并须有相应的心脏受累症状体征、实验室、X线、心电图等表现。 In this paper, 14 cases of acute infectious diseases in children with concurrent infection of toxic myocarditis clinical data analysis, initially put forward the basis of clinical diagnosis of toxic myocarditis infection. The symptoms and signs of non-specific, and the lack of more cardiovascular system complaints, ECG ST, T-based changes, less arrhythmia, the change is transient, with the primary disease improved and disappear. Diagnostic conditions emphasize the primary disease must be bacterial infectious disease, and must have the corresponding signs and symptoms of heart involvement, laboratory, X-ray, ECG and other performance.