Which description by a client reporting vertigo would concern you the most?

The answer is "Vertigo without hearing loss".

Patients who endure different scenes of serious vertigo without hearing misfortune likely have what is known as intermittent vestibulopathy. These assaults of vertigo travel every which way, and last from minutes to hours. This internal ear issue is along these lines like Ménière's Disease, however with no hearing misfortune or noise in the ear.