title: What are the unintended consequences of changing the diagnostic paradigm for subarachnoid hemorrhage after brain computed tomography to computed tomographic angiography in place of lumbar puncture?
authors.forename: Jonathan A
authors.initials: JA
authors.lastname: Edlow
mesh_terms: D000465:Algorithms; D015901:Angiography, Digital Subtraction; D002533:Cerebral Angiography / Q000379:methods; D003937:Diagnosis, Differential; D003951:Diagnostic Errors; D006261:Headache / Q000175:diagnosis* / Q000209:etiology; D006801:Humans; D013129:Spinal Puncture; D013345:Subarachnoid Hemorrhage / Q000150:complications / Q000175:diagnosis*; D014057:Tomography, X-Ray Computed / Q000379:methods