• So Eun Kim, Jae Chol Yoon, Jae Baek Lee, Taeoh Jeong, and Youngho Jin.
• Research Institute of Clinical Medicine of Jeonbuk National University, Jeonju-si, Republic of Korea; Biomedical Research Institute of Jeonbuk National University Hospital, Jeonju-si, Republic of Korea; Department of Emergency Medicine, Jeonbuk National University Medical School, Jeonju, Korea.
• J Emerg Med. 2023 Jan 1; 64 (1): 707370-73.

BackgroundInfected aortic aneurysm is a relatively rare disease with significant morbidity and mortality. Because of its deeper position, patients with infected aortic arch aneurysms may present with only fever and other vague symptoms, such as weakness, fatigue, dizziness, anorexia, and functional decline. It is difficult confirm a diagnosis that is based solely on history or physical examination, and it may only be apparent on imaging studies.Case ReportWe present a brief case report of a patient presenting to the emergency department with unexplained fever who was diagnosed with emphysematous salmonella-infected aneurysm of the aortic arch. WHY SHOULD AN EMERGENCY PHYSICIAN BE AWARE OF THIS?: Infected aortic arch aneurysm is an extremely unusual disease entity that emergency physicians encounter. Because of the high mortality and morbidity of this catastrophic disease, an infected aortic aneurysm should be considered as a possible diagnosis in patients with persistent fever and vague symptoms without a specific infection focus. To avoid delayed diagnosis, emergency physicians should be aware of infected aortic arch aneurysm.Copyright © 2022 Elsevier Inc. All rights reserved.

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