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Free Content Atypical Head CT Artifact Due to Air Bubbles in X-Ray Tube Cooling System: Potential Misdiagnosis

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Our goal is to educate about the possibility and CT image appearance of an air bubble artifact to help radiologists identify the problem rapidly. Recognizing the issue quickly will eliminate the patient being triaged for stroke and allay unnecessary stress to the patient. Early detection will also rule out costly and time-consuming supplementary scans as well as eliminate the radiation dose burden to patients from additional CTs.
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Keywords: CT = computed tomography; CTA = CT angiogram; DWI = diffusion-weighted imaging; ED = emergency department; MCA = middle cerebral artery; MR = magnetic resonance; QA = quality assurance

Document Type: Research Article

Publication date: 01 November 2017

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  • Neurographics is the peer-reviewed, bimonthly educational journal of the American Society of Neuroradiology. The journal comprises articles selected from material presented at the ASNR Annual Meeting. Neurographics also publishes other high-quality submissions that are primarily educational and have a high emphasis on a pictorial approach. Neurographics offers CME credit for reading review articles and completing quiz-based self-assessment activities. CME credit for review articles may be claimed up to 3 years after an article's publication date. Visit to view all available CME courses.
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