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Negative CT Angiography Findings in Patients with Spontaneous Subarachnoid Hemorrhage: When is Digital Subtraction Angiography Still Needed? AJNR 31:695-705, Agid,R., et al, 2010 See this aricle in Pubmed Article Abstract In patients with SAH negative CTA findings are reliable in ruling out aneurysms in the PMH pattern or no blood on CT. DSA is indicated in the diffuse aneurismal pattern of SAH, and repeat delayed DSA is required if the initial DSA findings are negative. When the blood is peripheral, CTA should be scrutinized for vasculitis and DSA is recommended for confirmation.

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(click to filter results - removes previous filter) angiography,cerebral arteritides CAT scan,angiography CAT scan,angiography,false negative digital subtraction angiography false negative neurologic testing subarachnoid hemorrhage subarachnoid hemorrhage,cerebral convexity vasculitides

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