这些血液应该是头皮皮下组织中毛细血管中的血液,除非正好扎到了小静脉

之所以喷血,是因为这个患者用毛巾勒住颈部,压迫了颈部静脉,导致头面部静脉压升高所致

https://t.co/bocPmRMcle https://video.twimg.com/ext_tw_video/1816443782482776064/pu/vid/avc1/590x1280/FKERkcwCQvkHtC8E.mp4?tag=12

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