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患儿男,13岁。因发热、咳喘、胸闷3d,发现心脏扩大2h入院。查体:心率142~170次/min,呼吸24次/min,血压110/75mm Hg,心前区隆起,心尖搏动位于左侧第六肋间锁骨中线外1cm,有抬举感;心界扩大,心律不规则,心音强弱不均,心尖区可闻及3~4级收缩期杂音,向腋下传导;双下肢不肿,肢端暖,脉搏强弱不一,无杵状指(趾)。超声心动图示:全心扩大,以左心扩大为主(左
Children male, 13 years old. Due to fever, cough, chest tightness 3d, found 2h admission to expand the heart. Examination: heart rate 142 ~ 170 times / min, breathing 24 times / min, blood pressure 110 / 75mmHg, anterior bulging, apex beat in the left intercostal midclavicular line 1cm, lift; Irregular heartbeat, heart sound intensity is uneven, the apex area can be heard and 3 to 4 systolic murmur, conduction to the armpit; double lower extremity is not swollen, extremity warm, pulse strength varies, without clubbing finger (toe) . Echocardiography: whole-hearted to enlarge the main left heart (left