Labs including full blood count, liver enzymes and serology can be useful to identify the cause and an upper GI Endoscopy can identify esophageal varices in order to treat them appropriately.

包括全血细胞计数、肝酶和血清学在内的实验室检查，可用于确定病因；上消化道内窥镜检查可以识别食管静脉曲张，以便对其进行适当治疗。