Refer to ENT for further evaluation and management
Surgery may include vestibular nerve section (surgical or chemical), endolymph sac decompression, endolymphatic-subarachnoid shunt, or labyrinthectomy
Ménière's disease
Vestibular/otologic
Wellens' syndrome
Benign paroxysmal positional vertigo 
Benign paroxysmal positional vertigo
Traumatic 
Sheehan's syndrome
Infection