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72岁的刘大爷,平素患有慢性气管炎。一天晨起,他咳声连连,一口痰卡在咽喉处怎么也咳不出来,憋得他口唇绀紫,最后因痰阻塞呼吸道,窒息而亡。家人万万没有想到,一口痰就夺去了老人宝贵的生命。通常人体的鼻腔、咽及支气管黏膜里,每天分泌一定量液体以湿润咽喉,保护呼吸道和肺组织
72-year-old uncle Liu, usually suffering from chronic bronchitis. One morning, he coughed again and again, a phlegm stuck in the throat how could not cough, Blow his lips cyanosis, and finally blocked the respiratory tract due to phlegm, suffocation and death. The family never imagined, a phlegm seized the valuable lives of the elderly. Usually the body’s nasal cavity, pharynx and bronchial mucosa, the daily secretion of a certain amount of liquid to moist throat, respiratory and lung tissue protection