By Martina McGrath, MD
October 30, 2018

MRI thrombolysis for stroke of unknown time of onset

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Prior studies have suggested a particular pattern may be seen on an MRI of the brain in the early hours following stroke onset; a visible ischemic lesion on diffusion-weighted imaging along with the lack of a hyperintense signal in the same area on fluid-attenuated inversion recovery (FLAIR). The benefit of aggressive stroke intervention in patients with the combination of unknown time of symptom onset and this particular signal mismatch on MRI brain scans is unknown. Continue reading “WAKE-UP Time for Thrombolysis in Acute Stroke?” →