1病例摘要患者,男,62岁,因凌晨突发腹痛、大量便血,急诊入本院。家属代述病情:患者半夜大约2点突觉腹痛,排便后感觉头晕乏力、出冷汗,发现便器中混有大量暗红色血块和部分鲜红色血液,患者平卧休息并饮用少量温糖水有所好转,大约不到1 h,患者再次腹痛排便,发现大量血液并少量血 A case summary of patients, male, 62 years old, due to sudden morning ache, a large amount of blood in the stool, emergency admission to our hospital. Family members on behalf of the disease: the patient about 2 o’clock in the middle of the night sudden abdominal pain, dystocia felt dizzy and fatigue, out of cold and sweat, found that the toilet mixed with a large number of dark red blood clots and some bright red blood, patients rest and drink a small amount of warm sugar water has improved , Less than 1 h, the patient again abdominal pain defecation, found a large amount of blood and a small amount of blood