辛普森当时脑部手术后输了血，医生告诉他，输入的血液有问题，他的艾滋病病毒测试结果呈阳性。
Simpson was the blood lost after brain surgery, the doctor told him, enter the blood in question, his HIV test results were positive.
你的血液循环有问题,没有足够的氧气提供给脑部，这就是为什么你会晕眩。
You get problems with your blood circulation and not enough oxygen goes to your brains, and that's why you faint.
循环：是否有脉搏？从表面看是否有出血现象？检查皮肤的颜色和体温，加上血液循环问题的迹象。
C — circulation: Is there a pulse? Is the person bleeding externally? Check skin color and temperature additional indications of circulation problems.
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