菜窖里的空气与外界不同,窖越深通风越差,窖中氧气就越少。再加窖内存放的菜类腐败分解,产生硫化氢等有毒的气体,这样,人一进菜窖就会缺氧窒息,非常危险。中毒症状先是头晕、头痛、耳鸣、眼花、四肢无力,接着出现恶心、呕吐、心慌、气短、呼吸急促,随着缺氧的加重,意识逐渐模糊,全身皮肤、嘴唇、指甲青紫,血压下降,瞳孔散大,昏迷。急救措施①发现有人在菜窖中毒后,应先急速打开菜窖所有的通风口,救护人员在进菜窖前,应先测试窖内的氧气及二氧化碳的含量:点着一只灯笼,用绳索系住放入窖内,过1分钟一2分钟后,如灯火熄灭了,就 The air in the cellar is different from the outside world. The poorer the ventilation in the cellar is, the less oxygen is in the cellar. Plus cellar stored corruption decomposition of vegetables, produce hydrogen sulfide and other toxic gases, so that people into the cellar will be hypoxia asphyxia, very dangerous. Poisoning symptoms first dizziness, headache, tinnitus, vertigo, limb weakness, followed by nausea, vomiting, palpitation, shortness of breath, shortness of breath, with hypoxia aggravating consciousness gradually blurred, systemic skin, lips, nails bruising, blood pressure, pupil Scattered First aid measures ① Found someone poisoned in the cellar, the cellar should be opened rapidly all the vents, ambulance staff into the cellar before, should be tested in the pit of oxygen and carbon dioxide content: lit a lantern, with a rope Rope into the cellar, over a minute after a 2 minutes, such as lights extinguished, it