The first 3 most common etiologies of LGIB were colonic or rectal polypi, Meckel diverticulum, intestine duplication respectively.

LGIB前3位病因依次为结、直肠息肉、梅克尔憩室和肠重复畸形。

Unfortunately, the excitement of the hunt may have been too much because Meckel later had a heart attack and is currently recovering in the hospital.

乐极生悲，可能因为太兴奋，麦可儿随后心脏病发住进了医院。

Objective: To improve the knowledge of angiographic findings of Meckel s diverticulum with bleeding and the angiographic diagnosis of gastrointestinal bleeding.

目的：认识梅克尔憩室出血的血管造影表现，提高对胃肠道出血的血管造影诊断的阳性率。