Bed Side Eye Exam more sensitive for Stroke than MRI

Patients who present with dizziness may actually have stroke. This Is an important concern when you see patients on take.
In this prospective study they looked at 3 tests checking vestibulo- ocular reflex on horizontal head impulse, nystagmus, and ocular alignment during prism cross over.
The researcher report a normal head impulse test, direction changing nystagmus or skew deviation was highly predictive if stoke.