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观察心前区不适小儿常规和动态心电图(ECG,DCG)的变化及与心肌炎的关系。72例患儿分为两组:A组(34例)同时伴ECG改变,B组(38例)ECG无异常变化。结果示A组心肌酶谱异常率67.7%)明显高于B组(18.4%);A组病前1~3周患上呼吸道感染例数(占88%)明显多于B组(占21%),P<0.01;抗心肌抗体阳性及心影增大也发生在A组;A组DCG心律失常检出率高于ECG,提示A组(忄羅)患心肌炎可能大。B组ECG虽无异常,但DCG仍检出心律失常达60%,表明DCG对心肌炎的诊治和预后判断有主要价值。
To observe the change of routine and ambulatory electrocardiogram (ECG, DCG) in children with precordial discomfort and the relationship with myocarditis. 72 children were divided into two groups: group A (34 cases) accompanied by ECG changes, group B (38 cases) ECG no abnormal changes. The results showed that the abnormal rate of myocardial enzymes in group A was 67.7%, which was significantly higher than that in group B (18.4%). In group A, the number of cases of upper respiratory tract infection (88%) was significantly higher than that in group B (1-3% ), P <0.01; anti-myocardial antibody positive and increased heart shadow also occurred in group A; A group of DCG arrhythmia detection rate was higher than ECG, suggesting that group A (miluo) may have a large myocarditis. There was no abnormality in ECG of group B, but DCG still detected 60% of arrhythmia, indicating that DCG has a great value in diagnosis and prognosis of myocarditis.