使用正压静脉输液时，可能发生的栓塞是

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SQL Error: select id,body,options from ***_enewstiku where sourceid='30844' and id < 2484137 and id<>'2484137' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='30844' and id > 2484137 and id<>'2484137' order by id asc limit 5