1.阵发性绞痛推测病因:肠梗阻肠梗阻引起的腹痛主要表现为阵发性的绞痛,或伴有胀痛,有的患者还会呕吐。如果变成持续性的绞痛,可能已转为更严重的绞窄性肠梗阻。引起肠梗阻的常见病因有便秘、炎症、机械性梗阻(肠外压迫、肠套叠、肠扭转、粪块异物梗阻),及肠道肿瘤等。如不及时治疗,会造成肠道穿孔、肠坏死、感染性休克,甚至死亡。2.右腹部转移性疼痛 1. Paroxysmal angina speculated that the cause: intestinal obstruction intestinal obstruction caused by abdominal pain mainly for paroxysmal colic, or accompanied by pain, and some patients will vomit. If it becomes persistent colic, it may have turned to more severe strangulated intestinal obstruction. Common causes of intestinal obstruction constipation, inflammation, mechanical obstruction (parenteral oppression, intussusception, intestinal torsion, fecal block foreign body obstruction), and intestinal tumors. If not treated, can cause intestinal perforation, intestinal necrosis, septic shock, and even death. 2. Right abdominal metastatic pain