急性氮氧化物中毒常见于:制造和使用硝酸、合成氨,制取二氧化氮,硝酸盐类燃烧,硝基炸药爆炸时的炮烟,焊接,青贮饲料长期堆放等。根据国内外报道资料,本病常由于意外事故引起,并可造成多人同时中毒。吸入氮氧化物气体后,经过一段潜伏期后,可引起化学性气管炎、支气管炎、支气管肺炎、肺水肿及阻塞性毛细支气管炎等。胸部X线表 Acute nitrogen oxide poisoning is common in the manufacture and use of nitric acid, ammonia, nitrogen dioxide, nitrate combustion, explosives, nitro explosives, welding, silage long-term storage. According to domestic and international reports, the disease is often caused by an accident and can cause many people to be poisoned at the same time. Inhalation of nitrogen oxide gas, after a period of incubation period, can cause chemical tracheitis, bronchitis, bronchial pneumonia, pulmonary edema and obstructive bronchiolitis. Chest X-ray table