Cerebellar strokes: a dangerous form of vertigo

We’ve been discussing vertigo that comes from the brain.  Today’s topic is a form of stroke that can be mistaken for other kinds of vertigo but is far more serious.  The cerebellum is a bun-shaped structure lying under the back of the brain next to the spinal cord.  It is involved in smooth coordination of movement and balance.  Like the rest of the brain, it requires good blood flow to bring oxygen and nutrients.  Anything that interferes with blood flow in the head can cause serious problems.

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Vertigo and ion channels

Vertigo comes in many forms.  Some of these are inherited, due to changes in genes (mutations) that control brain balance or inner ear function.  These rare genetic causes of vertigo tend to run in families.  The brain uses electricity to transmit information, so it is important that the “wiring” is done properly and that balance information is sent accurately.  Nerves and neurons must be able to accumulate an electrical charge quickly and pass it on. 

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Ask the Doctor: Long-lasting vertigo

“My vertigo episode started with a bad spinning sensation and vomiting and I had to go to the hospital. The next day I was allowed home after tests for a stroke which were all clear. I was given a steroid injection, and an Epley Maneuver was also performed in hospital on the second day. I was not too bad for a couple of weeks after that, until these last 3 weeks when my Doctor put me on Prednisolone, but it seems to make it worse. I tried to wean off it for a day, but it returned with a vengeance the next day. I sleep well at night though. “

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