Science and Education Publishing American Journal of Medical Case Reports 2374-216X 3 8 2015 06 25 Cerebral Gas Embolism - A Serious Complication of CO2 Angiography 227 230 EN SUMIT KAPOOR United States, Jacobi Medical Center, NY Nariman Nezami Ross Mazo Jyotsana Thakkar AJMCR2015382 10.12691/ajmcr-3-8-2 2015 06 12 2015 06 19 2015 06 25 Carbon dioxide angiography is routinely used for vascular imaging and endovascular procedures. It is very useful in patients with allergy to iodinated contrast agents or with poor renal function. It is relatively safe to use. We describe first case of cerebral gas embolism leading to multiple bilateral ischemic strokes in a patient receiving carbon dioxide angiography for workup of thrombosed arm arteriovenous fistula.