• Olga R Brook, Aviv Hirshenbaum, Eran Talor, and Ahuva Engel.
• Department of Diagnostic Imaging, Rambam Health Care Campus, Haifa, Israel. olga.brook@gmail.com
• Injury. 2012 Sep 1;43(9):1556-61.

ObjectiveTo describe radiological appearances of systemic air emboli versus intravascular air from putrefaction.Materials And MethodsThe hospital trauma database was searched for patients who underwent computed tomography (CT) autopsy. The studies were reviewed and evaluated for intravascular gas. The appearances and location of intravascular air were characterised.ResultsFour cases of intravascular gas were identified out of 15 cases of CT autopsy performed from March 2004 to December 2006. In three cases, intravascular air was predominantly in the arterial system, coupled with severe pulmonary injury. In one case, the air was predominantly in the venous system with a large amount of gas in portal veins.ConclusionWe propose to consider pulmonary alveoli-venous fistula as a possible cause of systemic air emboli, as identified on CT autopsy by large amounts of gas in the arterial circulation, coupled with severe pulmonary injury.Published by Elsevier Ltd.

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