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 Indian J Med Microbiol  
 

Figure 2: A 65-year-old woman collapsed immediately after bronchoscopy. CT scan of the brain (A-C) shows multiple foci of air (arrows) throughout the brain, suggestive of air embolism. CTA (D) shows no obvious abnormality. Multiple axial images of whole brain CT perfusion show the overall decrease in cerebral blood flow (arrows in E), multiple foci of decreased cerebral blood volume (arrows in F), increased mean transit time (arrows in G), and increased time to peak (arrows in H) throughout the brain

Figure 2: A 65-year-old woman collapsed immediately after bronchoscopy. CT scan of the brain (A-C) shows multiple foci of air (arrows) throughout the brain, suggestive of air embolism. CTA (D) shows no obvious abnormality. Multiple axial images of whole brain CT perfusion show the overall decrease in cerebral blood flow (arrows in E), multiple foci of decreased cerebral blood volume (arrows in F), increased mean transit time (arrows in G), and increased time to peak (arrows in H) throughout the brain