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| ==Background==
| | #REDIRECT[[Giant cell arteritis]] |
| *Systemic vasculitis involving medium-sized arteries in the carotid circulation
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| *Pts >50yr
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| *Can cause painless, ischemic optic neuropathy w/ severe vision loss if left untreated
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| *Assoc w/ polymyalgia rheumatica
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| ==Clinical Features==
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| *Headache
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| *Jaw claudication
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| *Myalgias
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| *Fever
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| ==Differential Diagnosis==
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| {{Headache DDX}}
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| ==Diagnosis==
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| *Temporal artery tenderness
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| *Afferent pupillary defect
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| *ESR ~70-110
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| *CRP elevated
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| ==Treatment==
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| *Methylprednisolone 1000mg IV QD x3d
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| ==See Also==
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| *[[Headache]]
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| ==Source==
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| Tintinalli
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| [[Category:Ophtho]]
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| [[Category:Neuro]]
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| [[Category:Rheum]]
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