I suspect Bonnie is suffering from Vestibular Syndrome. Vestibular disease refers to a sudden disturbance of balance.We have created this guide to help get you started with some of the most crucial items to include in your dog walking contract. If you were hired to walk a dog, then your fee should have been discussed and agreed upon BEFORE you ever picked up the dog to go walking. Create and download agreements for free! This is mildly fascinating. Though not entirely unexpected. Stroke in dogs is also known as a cerebrovascular accident, which means that the blood supply to the brain has suddenly been disrupted or destroyed. Discover the 5 signs of dementia in dogs from Dr. Buzby, and learn how to support your dog through a doggie dementia diagnosis. Vestibular disorder?