• Taryn Lloyd and Vu Kiet Tran.
• *University of Toronto,Toronto,ON.
• Can J Emerg Med. 2016 Mar 1; 18 (2): 149-51.

AbstractAcute mediastinitis is a rare, potentially life-threatening condition that is most commonly seen as a complication of esophageal perforations or cardiac surgery. The term "descending necrotizing mediastinitis" (DNM) is used to describe oropharyngeal infections that spread to the mediastinum, most commonly following odontogenic infections, peritonsillar or retropharyngeal abscesses, cervical lymphadenitis, trauma, or endotracheal intubation. Infectious mononucleosis is another rare cause of DNM. The mortality of acute mediastinitis is high, while the mortality for DNM is even higher. Major determinants of mortality are delayed diagnosis and/or treatment. While DNM is seen infrequently, its severe nature makes it essential that emergency physicians consider the diagnosis in patients presenting with upper respiratory infections, chest pain, and systemic symptoms, and also in patients with a recent diagnosis of EBV, in order to mitigate a high rate of morbidity and mortality.

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