Vertebrobasilar insufficiency affects the posterior circulation, supplying the brainstem and cerebellum. Symptoms often involve crossed sensory or motor deficits affecting opposite sides of the body. | Mariam Ohanyan | Facebook

Vertebrobasilar insufficiency affects the posterior circulation of the brain, supplying the brainstem, cerebellum, and occipital lobes. Common symptoms include diplopia, vertigo, ataxia, dysarthria, and bilateral visual disturbances due to brainstem and cranial nerve involvement. | Mariam Ohanyan | Facebook