What causes a sudden bout of dizziness?

A sudden burst of vertigo, caused by the following diseases. If the elderly patients, first consider acute cerebrovascular disease, cerebral blood supply deficiency caused by the possibility of greater. Secondly, need to rule out cervical vertigo. Cervical vertigo characteristics, the patient when rotating the neck, the recovery of the neck position, dizziness can be relieved. Need to improve the cervical MRI examination to assist in diagnosis. At the same time, need to rule out otolith. Otolith is manifested when the head position is changed. The patient often rolls over or bends over in bed, or changes from lying to standing. The dizziness lasts for a short time. The dizziness becomes stereotyped and always appears in a certain position. Otolith patients need to go to neurology or ENT for manual reduction treatment.