一、病例摘要 董某,女性,10个月,足月头胎顺产。10余天前因腹泻补液后发现心率缓慢40—50次/分,因此入院求诊。妊娠期产前检查曾怀疑死胎(听不到心音)。心电发现心率过缓,患儿出生后健康,否认心肌炎、感染等病史。其母孕期未患任何疾病,否认全身性红斑狼疮史。 First, the case summary Dongmou, female, 10 months, full-term first trimester of birth. More than 10 days ago because of diarrhea, rehydration found heart rate 40-50 beats / min, so admitted to hospital for treatment. Prenatal examination during pregnancy had suspected stillbirth (can not hear the heart sound). ECG found bradycardia, children after birth health, deny myocarditis, infection and other medical history. The mother did not have any disease during pregnancy, denied the history of systemic lupus erythematosus.