title: Global hemispheric CT hypoperfusion may differentiate headache with associated neurological deficits and lymphocytosis from acute stroke.
authors.affiliation: Stroke Foundation Centre for Stroke Recovery, Sunnybrook Health Sciences Centre, Toronto, Ontario, Canada. jacqui.pettersen@utoronto.ca
authors.forename: Jacqueline A
authors.initials: JA
authors.lastname: Pettersen
authors.forename: Richard I
authors.initials: RI
authors.lastname: Aviv
authors.forename: Sandra E
authors.initials: SE
authors.lastname: Black
authors.forename: Allan J
authors.initials: AJ
authors.lastname: Fox
authors.forename: Andrew
authors.initials: A
authors.lastname: Lim
authors.forename: Brian J
authors.initials: BJ
authors.lastname: Murray
mesh_terms: D000208:Acute Disease; D000328:Adult; D002545:Brain Ischemia / Q000000981:diagnostic imaging*; D002533:Cerebral Angiography; D002560:Cerebrovascular Circulation; D003937:Diagnosis, Differential; D006261:Headache / Q000000981:diagnostic imaging*; D006801:Humans; D008218:Lymphocytosis / Q000000981:diagnostic imaging*; D008297:Male; D020521:Stroke / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed