A 70-year-old man with a history of smoking and hypertension was presented in the emergency department after awakening with first-ever acute vertigo, vomiting, and imbalance in the absence of a headache or other focal neurologic or otologic symptoms. Vertigo persists even while sitting upright with his head still. He is unable to walk unassisted due to ataxia.
Which physical examination test is most useful in this setting to differentiate between acute vestibular neuritis and cerebellar infarction? *This case is from Docplexus Editorial Team for educative purpose only
