我哥哥车祸颅脑外伤，有脑水肿及

来自黄世昌医生的专业解答，快打开看看是否又获得了新的知识点～

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问题描述：我哥哥车祸颅脑外伤，有脑水肿及脑梗，现在昏迷了半个月，刚从重症监护室转到普通病房高压氧治疗，现在他对外界人说的话能做出反应（如让他伸手指摆一二能做出），偶尔也会自主的进行挠痒等动作，可是为什么还没有醒？