老年人多有脑动脉硬化,反应较迟缓,特别是吃饭时讲话、哭笑、进食过于匆忙,当吞咽时出现吸气动作,使气管闭合不严,导致食物或水进入气管,轻者引起剧烈咳嗽,易引起吸入性肺炎,重者食物将气管堵死,使人立刻发生窒息(俗称噎食)。如不及时抢救,会引起死 Elderly people often have cerebral arteriosclerosis, the response is more sluggish, especially talking at dinner, dumbfounding, eating is too hasty, when inhaling swallowing movements, the trachea closed lax, resulting in food or water into the trachea, the light caused severe Cough, easily lead to aspiration pneumonia, severe food will be tracheal blocked, people immediately suffocate (commonly known as food). If not rescued, it will cause death