问题
单项选择题
女孩，7岁，低热月余，双膝关节酸痛，出汗，乏力。检查：面色苍白，躯干可见散在红色斑疹，咽赤。心率130次/分，律整，心尖部可闻及3级收缩期吹风样杂音，血白细胞15×109/L，中性粒细胞0.78。最可能的诊断是
A．病毒性心肌炎
B．风湿性心肌炎
C．先天性心脏病
D．风湿性关节炎
E．败血症
答案
参考答案：B
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女孩，7岁，低热月余，双膝关节酸痛，出汗，乏力。检查：面色苍白，躯干可见散在红色斑疹，咽赤。心率130次/分，律整，心尖部可闻及3级收缩期吹风样杂音，血白细胞15×109/L，中性粒细胞0.78。最可能的诊断是
A．病毒性心肌炎
B．风湿性心肌炎
C．先天性心脏病
D．风湿性关节炎
E．败血症
参考答案：B
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