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Acute ischemic stroke patients with a neurologic deficit but a negative angiogram during the first 4 hours after symptom onset usually develop image-documented cerebral infarction, and approximately half suffer from long-term functional disa bility. The two most likely explanations for negative angiograms are very early irreversible ischemic damage despite recanalization or ongoing ischemia secondary to clot in non-visible penetrating arterioles or in the microvasculature. |
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angiography,cerebral angiography,cerebral,false negative angiography,cerebral,negative CAT scan,abnormal cerebral infarction cerebrovascular accident cerebrovascular accident,arterial occlusion,absent cerebrovascular accident,arterial occlusion,location cerebrovascular accident,prognosis in prognosis recanalization,arterial
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