对一位以突发紫绀、呕吐、惊厥、昏迷、呼吸困难或休克等为表现的急症患者,排除了心、肺疾患,脑血管意外,糖尿病,低血糖,电解质紊乱,严重感染及肝、肾等疾病后,又找不到其他致病原因的情况下,应考虑急性中毒的可能,并尽快作出中毒性质及中毒程度的判断。在诊断过程中要注意以下几点。 Heart, lung disease, cerebrovascular accident, diabetes mellitus, hypoglycemia, electrolyte imbalance, severe infection and liver and kidney are excluded in an acute patient who manifests sudden cyanosis, vomiting, convulsions, coma, dyspnea or shock Such diseases, can not find other causes of illness, should consider the possibility of acute poisoning, and as soon as possible to determine the nature of poisoning and poisoning. In the diagnosis process should pay attention to the following points.