本文报道了1例因未发现结核性腹主动脉瘤导致消化道出血后猝死的尸体解剖。死者生前被诊断为冠心病和高血压。详细的尸体解剖证实了死因为体位改变导致的突发性消化道出血,并确诊了结核性腹主动脉瘤。本文对结核性腹主动脉瘤的诊断要点、法医学鉴定注意事项及相关的医疗纠纷进行了探讨。 This article reports the autopsy of a case of sudden death after gastrointestinal hemorrhage due to the absence of tuberculous abdominal aortic aneurysm. The deceased was diagnosed with coronary heart disease and hypertension during his lifetime. Detailed autopsy confirmed the sudden death of gastrointestinal bleeding caused by changes in position and confirmed tuberculous abdominal aortic aneurysm. This article discusses the diagnosis of tuberculous abdominal aortic aneurysm, forensic identification considerations and related medical disputes were discussed.