title: Evidence-based emergency medicine/clinical question. How good is a negative cranial computed tomographic scan result in excluding subarachnoid hemorrhage?
authors.affiliation: Harvard School of Medicine and the Department of Emergency Medicine, Beth Israel Deaconess Medical Center, Boston, MA 02215, USA. jonathan_edlow@hms.harvard.edu
authors.forename: J A
authors.initials: JA
authors.lastname: Edlow
authors.forename: P C
authors.initials: PC
authors.lastname: Wyer
mesh_terms: D019317:Evidence-Based Medicine; D005188:False Negative Reactions; D005260:Female; D006801:Humans; D008875:Middle Aged; D011237:Predictive Value of Tests; D015203:Reproducibility of Results; D013345:Subarachnoid Hemorrhage / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed