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===[[Stroke (main)|Stroke]] Work-Up===
*Labs
**POC glucose
**CBC
**Chemistry
**Coags
**[[Troponin]]
**T&S
*[[ECG]]
**In large ICH or stroke, may see deep TWI and prolong QT, occ ST changes
*[[Head CT]] (non-contrast)
**In ischemia stroke CT has sensitivity 42%, specificity 91%<ref>Mullins ME, Schaefer PW, Sorensen AG, Halpern EF, Ay H, He J, Koroshetz WJ, Gonzalez RG. CT and conventional and diffusion-weighted MR imaging in acute stroke: study in 691 patients at presentation to the emergency department. Radiology. 2002 Aug;224(2):353-60.</ref>
**In acute ICH the sensitivity is 95-100%<ref>Suarez JI, Tarr RW, Selman WR. Aneurysmal subarachnoid hemorrhage. N Engl J Med. 2006; 354(4):387–396.</ref>
**The goal of CTH is to identify stroke mimics (ICH, mass lesions, etc .)<ref>Douglas VC, Johnston CM, Elkins J, et al. Head computed tomography findings predict short-term stroke risk after transient ischemic attack. Stroke. 2003;34:2894-2899.</ref>
*Also consider:
**CTA brain and neck
***To check for large vessel occlusion for potential thrombectomy
***Determine if there is carotid stenosis that warrants endarterectomy urgently
**Pregnancy test
**[[CXR]] (if infection suspected)
**[[UA]] (if infection suspected)
**[[Utox]] (if ingestion suspected)

{{MR studies CVA/TIA}}