问题
单项选择题
外伤后昏迷1小时，患者醒后即发现右侧肢体轻瘫，腰穿呈血性脑脊液，以后逐渐好转。最可能的诊断是（）
A.脑震荡
B.脑挫裂伤
C.急性硬膜外血肿
D.急性硬膜下血肿
E.脑内血肿
答案
参考答案：B
解析：意识障碍是脑挫裂伤最突出的临床表现之一，伤后多立即昏迷，由于伤情不同，昏迷时间一般大于30分钟，常有颅内压增高的表现。
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外伤后昏迷1小时，患者醒后即发现右侧肢体轻瘫，腰穿呈血性脑脊液，以后逐渐好转。最可能的诊断是（）
A.脑震荡
B.脑挫裂伤
C.急性硬膜外血肿
D.急性硬膜下血肿
E.脑内血肿
参考答案：B
解析：意识障碍是脑挫裂伤最突出的临床表现之一，伤后多立即昏迷，由于伤情不同，昏迷时间一般大于30分钟，常有颅内压增高的表现。
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