Vestibular Disease, Geriatric - Dogs

DEFINITION
Acute nonprogressive disturbance of the peripheral vestibular system in old dogs

PATHOPHYSIOLOGY
Unknown
Suspected abnormal flow of the endolymphatic fluid in the semicircular canals of the inner ear secondary to disturbance in production, circulation, or absorption of the fluid
Possible intoxication of the vestibular receptors or inflammation of the vestibular portion of the vestibulocochlear nerve (cranial nerve VIII)
Often incorrectly referred to as a stroke (disease is neither central in location nor suspected to be vascular or ischemic in origin)