The failure of nasal plethysmography to estimate cerebral blood flow during carotid occlusion.
D002339:Carotid Arteries / Q000601:surgery*; D002560:Cerebrovascular Circulation; D004569:Electroencephalography; D004691:Endarterectomy; D005069:Evaluation Studies as Topic; D006801:Humans; D007430:Intraoperative Care; D010991:Plethysmography / Q000379:methods*