title: External carotid air bubbles detected by transcranial Doppler.
authors.forename: J D
authors.initials: JD
authors.lastname: Beard
mesh_terms: D001024:Aortic Valve Stenosis / Q000000981:diagnostic imaging / Q000601:surgery*; D002342:Carotid Artery, External / Q000000981:diagnostic imaging; D004453:Echoencephalography; D004618:Embolism, Air / Q000000981:diagnostic imaging*; D016894:Endarterectomy, Carotid; D006801:Humans; D002542:Intracranial Embolism and Thrombosis / Q000000981:diagnostic imaging*; D011183:Postoperative Complications / Q000000981:diagnostic imaging*