vasovagal syncope

柯林斯词典

vasovagal syncope /ˌveɪzəʊˈveɪɡəl/

• 1. N a faint brought on by excessive activity of the vagus nerve, causing the heart to slow and the blood pressure to fall. It can be caused by fear, choking, or stomach cramps and has no lasting effects 血琯迷走神經暈厥

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