Video on How to Tell Stroke vs. Mimic on Exam

Video on How to Tell Stroke vs. Mimic on Exam

The "upgoing thumb sign" can be used as part of a comprehensive neurological evaluation to help distinguish stroke mimic from actual stroke.  It won't replace MRI, but it can be part of the neurological exam, just like we use the Babinski sign.  One editorial from 1993 suggested calling it the Hachinski-Babinski, after the discover.  Here's how to do it.

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