医学是有局限性的,但追求科学进步的脚步却永不停歇。北京大学第三医院每年都会有新的医疗技术在临床开展,它们经过严格的审批和长期观察,不断转为常规技术普及应用。新技术带来新的希望。王奶奶原来排便很规律,最近几个月却不如往常,排泄频繁且稀松,时不时能看到里面有血。老人心里嘀咕过几次,不会有什么病吧?可是想想自己原来犯痔疮时也是便血,再加上听说到医院要做肠镜检查,心里害怕,迟迟没敢去。这几天,王奶奶都没排便,也不通气,肚子又胀又疼,直恶心,吐了几口还是这样。家里人赶紧把老人送到了北医三 Medicine is limited, but the pace of pursuing scientific progress never ceases. Peking University Third Hospital every year there will be new medical technologies in clinical practice, they undergo a rigorous examination and approval and long-term observation, and continue to expand the application of conventional technologies. New technologies bring new hope. Grandma Wang had regular bowel movements in recent months, but not as usual, frequent and excreted loose, from time to time to see there is blood inside. The elderly heart muttered a few times, there will be no disease, but think about yourself when hemorrhoids was originally stool, coupled with I heard that the hospital to do colonoscopy, my heart scared, did not dare to go. These days, Grandma Wang did not defecation, nor ventilation, stomach and swelling and pain, nausea, vomit a few mouthfuls or so. The family members quickly sent to the North Third Medical