title: Perfusion CT in suspected ischaemic stroke: red flags that should have been blue.
authors: Mark H B
authors: MH
authors: Huisman
authors: Birgitta K
authors: BK
authors: Velthuis
authors: L Jaap
authors: LJ
authors: Kappelle
authors: Geert Jan
authors: GJ
authors: Biessels
mesh_terms: D000368:Aged; D000369:Aged, 80 and over; D001921:Brain / Q000000981:diagnostic imaging; D002545:Brain Ischemia / Q000150:complications / Q000000981:diagnostic imaging*; D002560:Cerebrovascular Circulation; D005260:Female; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D009422:Nervous System Diseases / Q000175:diagnosis / Q000209:etiology; D010477:Perfusion; D020521:Stroke / Q000000981:diagnostic imaging* / Q000209:etiology; D014057:Tomography, X-Ray Computed