患者，男，69岁，因下腹部疼痛10小时，加重1小时于1995年9月19日到医院就诊。发病以来，无心悸气促，无胸闷胸痛，小便正常，已1天多未排气排便。20多年前曾行胃大部分切除术，有冠心病病史多年。否认外伤史。体查：体温36．8℃，脉博116次／分，呼吸24次／分，血压12／10kPa Patient, male, 69 years old, suffering from lower abdominal pain for 10 hours and exacerbated by 1 hour to hospital on September 19, 1995. Since the onset, no heart palpitations, shortness of breath, chest pain, normal urination, has more than 1 day without defecation. More than 20 years ago, the majority of gastric resection line, a history of coronary heart disease for many years. Denied the history of trauma. Physical examination: body temperature 36.8 ℃, Pulse Bo 116 times / min, breathing 24 times / min, blood pressure 12 / 10kPa