例1:男性,38岁,误食混有碳酸钡的鲜菜汤45分钟出现腹痛、腹泻、呕吐、心悸、口鼻周围电击样麻木而于1989年11月28日急诊入院.体检:神志清,BP21.3/12.8kPa,面色苍白,两瞳孔2mm,口唇无发绀,呼吸平稳,颈软,两肺无罗音,心律呈二联律,第一心音低钝,腹软,肝脾肋下未及,左中上腹压痛明显,无反跳痛,肠鸣音亢进,四肢肌力、肌张力正常,病理反射未引出.EKG:多 Example 1: Male, 38 years old, eating fresh cabbage soup mixed with barium carbonate for 45 minutes showed abdominal pain, diarrhea, vomiting, palpitations and electric shock numbness around her nose and mouth, and was admitted to the emergency department on November 28, 1989. Physical examination: , BP21.3 / 12.8kPa, pale, two pupils 2mm, no cyanosis of lips, smooth breathing, soft neck, lungs without rales, heart rate was bicommunal, the first heart sound low blunt, abdominal soft, liver and spleen Under the next, the left middle and superior abdominal tenderness, no rebound pain, bowel sounds hyperthyroidism, limb muscle strength, muscle tone normal, pathological reflex did not lead to .EKG: more