所谓“误吸”,就是胃内的反流物误进气管和肺,或在呕吐时,食物不慎误入呼吸道,造成呼吸异物而出现种种危害。为何老年人容易发生“误吸”呢?原因是老年人常有咽部肌肉松驰现象,胃与食道接触处(贲门)也松驰。因此,已经咽下的食物有时还会返回来,流进呼吸管道。长期卧床、昏迷、抽搐的老年人最 The so-called “aspiration” is the reflux of the stomach mistakenly into the trachea and lungs, or vomiting, food accidentally strayed into the respiratory tract, resulting in breathing foreign body and appear all kinds of hazards. Why elderly prone to “aspiration”? The reason is that the elderly often pharyngeal muscle relaxation phenomenon, stomach and esophageal contact (cardia) is also relaxed. As a result, food that has been ingested can sometimes return and flow into the breathing tube. Bedridden, coma, convulsions of the elderly most