一氧化碳(CO)中毒引起继发症多见于重症患者,其发生率可高达9—13％。多数表现急性期治疗后间歇一定时期又突然出现意识混沌,思维智能障碍,定向力丧失等精神症状;少数无明显间隙期。我国北方多见,南方较少。我 Carbon monoxide (CO) poisoning secondary to complications more common in critically ill patients, its incidence can be as high as 9-13%. Most of the performance of the acute phase after a certain period of intermittent intermittent emergence of consciousness chaos, mental retardation, loss of orientation and other mental symptoms; a few no significant gap. More common in northern China, the South less. I