患儿,女,8个月.因“感冒”肌注庆大霉素而误注麦角新碱2ml(0.5mg/2ml),约10min 开始出现呕吐、气急、大汗,继之面色青灰,双眼凝视,口唇发钳,反应迟钝,四肢抖动,尿少。体检:体温36℃,脉搏160次/min,呼吸60次/min,血压6/4kPa,神志恍惚,颜面四肢发绀,双目呆滞,瞳孔约2mm,等大等圆,对光反应迟钝,咽红,无皮疹。心率160次/min,律齐,心音低钝无杂音.两肺及腹部未见异常。四肢末梢冰冷发绀,且有硬性水肿,无病理反射。实验室 Children, women, 8 months. Misdirected ergometrine 2ml (0.5mg / 2ml) due to “cold” intramuscular injection of gentamicin, vomiting, shortness of breath, sweating, followed by dark gray, Gaze, lip curling, unresponsive, limbs shaking, oliguria. Physical examination: body temperature 36 ℃, pulse 160 beats / min, breathing 60 beats / min, blood pressure 6 / 4kPa, trance, face facial cyanosis, eyes dull, pupil about 2mm, , No rash. Heart rate 160 beats / min, law Qi, low heart sound blunt no noise, no abnormalities in both lungs and abdomen. Extremities cold and cyanotic cyanosis, and a hard edema, no pathological reflex. laboratory