title: Computed Tomography Angiography of the Head Is a Reasonable Next Test After a Negative Noncontrast Head Computed Tomography Result in the Emergency Department Evaluation of Subarachnoid Hemorrhage.
authors.affiliation: UCLA Emergency Medicine Center, School of Medicine, University of California, Los Angeles, Los Angeles, CA.
authors.forename: Marc A
authors.initials: MA
authors.lastname: Probst
authors.affiliation: UCLA Emergency Medicine Center, School of Medicine, University of California, Los Angeles, Los Angeles, CA.
authors.forename: Jerome R
authors.initials: JR
authors.lastname: Hoffman
mesh_terms: D000072226:Computed Tomography Angiography / Q000009:adverse effects / Q000379:methods*; D004636:Emergency Service, Hospital; D006801:Humans; D033162:Incidental Findings; D002532:Intracranial Aneurysm / Q000150:complications / Q000000981:diagnostic imaging; D013129:Spinal Puncture / Q000009:adverse effects / Q000379:methods / Q000523:psychology; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging* / Q000209:etiology; D014057:Tomography, X-Ray Computed / Q000379:methods*; D014481:United States / Q000453:epidemiology