患儿:女,5岁。因外伤后诉腹部持续性疼痛,反复呕吐4天入院。体检:患儿神志清楚,表情淡漠,呼吸急促,贫血外貌。脉博92次/分,血压12/8kPa,呼吸28次/分。腹部隆起,腹式呼吸消失,全腹肌紧张,压痛及反跳痛明显,叩诊鼓音,肠鸣音弱。入院后遂行腹腔穿刺2次,均抽出不凝固血液,血液中含有黄绿 Children: Female, 5 years old. After the trauma v. Abdominal persistent pain, repeated vomiting 4 days admission. Physical examination: children with clear consciousness, indifferent expression, shortness of breath, anemia appearance. Pulse Bo 92 / min, blood pressure 12 / 8kPa, breathing 28 beats / min. Abdomen bulge, abdominal breathing disappeared, the whole abdominal muscle tension, tenderness and rebound tenderness significantly, percussion drum sound, bowel sounds weak. Peritoneal paracentesis was performed 2 times after admission, and no blood coagulation was taken out. The blood contained yellow-green