急症指急性发病、慢性病的急骤发作、中毒或意外损伤等需立即就医进行紧急处理的疾病的统称。如外伤、蛇咬、中毒、昏倒、不省人事、抽搐、难产、高热、出血、休克、腹痛、腹泻、剧烈疼痛、尿团及排尿困难等。除上述情况外,若因意识障碍等原因不能陈述病情,医生查体时发现下列情况:如阵发性心动过速、心动过缓或严重地心律失常;血压过高(伴剧烈头痛或呕吐)或过低;体温过高或过低;呼吸频数及过缓微弱、节律不规则或呈现端坐呼吸、大汗淋漓等征象亦应按急症对待。危象危象是指某种疾病或综合征一种急剧的病情变化。危象指在基础疾病的失衡与新建平衡中,因急 Emergency refers to the acute onset, the sudden onset of chronic diseases, poisoning or accidental injuries and other immediate medical treatment for emergency treatment of disease collectively. Such as trauma, snake bite, poisoning, fainting, unconsciousness, convulsions, dystocia, fever, bleeding, shock, abdominal pain, diarrhea, severe pain, urination and urination difficulties. In addition to the above circumstances, if unconsciousness and other reasons can not state the condition, the doctor found the following physical examination: such as paroxysmal tachycardia, bradycardia or severe arrhythmia; high blood pressure (with severe headache or vomiting) Or too low; body temperature is too high or too low; respiratory rate and slow and weak, irregular rhythms or sitting, breathing, sweating and other signs should also be treated as an emergency. Crisis crisis refers to a sudden change in the condition of a disease or syndrome. Crisis refers to the imbalance in the basic disease and the new balance, due to urgency