Other disorders of balance include: Postural hypotension or posture associated low blood pressure. Heart rhythm disturbance may cause imbalance, vertigo, or even fainting. Cervical vertigo is caused by upper neck problems, common after neck injuries or neck strain. Brain origin vertigo or imbalance is usually degenerative in origin, but can be caused by injuries, strokes, impaired circulation, tumors, infection, multiple sclerosis, and other brain problems.