例1女,42岁。因停经44d,下腹剧痛9h,于2002年7月22日8:00急诊入院。患者平时月经规律,末次月经2002年6月8日,10d前无明显诱因出现间断性下腹痛,不伴阴道出血,6月7日晚23点突然出现左下腹疼痛呈撕裂样,无头晕,继而转为持续性钝痛,伴下腹坠胀感。既往史:5年前患宫外孕(部位不清) Example 1 Female, 42 years old. Due to menopause 44d, abdominal pain 9h, at 8:00 on July 22, 2002 emergency admission. Patients usually menstrual regularity, the last menstrual June 8, 2002, 10d no obvious incentive before the onset of intermittent lower abdominal pain, no vaginal bleeding, June 7 at 23 o’clock suddenly appeared in the left lower quadrant pain was tear-like, no dizziness, Then turn to persistent dull pain, accompanied by abdominal distension. Past history: 5 years ago with ectopic pregnancy (unclear parts)