This 61y/o RHF experienced a 2-3 minute episode of lightheadedness while driving home from the dentist in 5/92. In 11/92, while eating breakfast, she suddenly experienced vertigo. This was immediately followed by nausea and several episodes of vomiting. The vertigo lasted 2-3minutes. She retired to her room for a 2 hour nap after vomiting. When she awoke, the symptoms had resolved. On 1/13/93 she had an episode of right arm numbness lasting 4-5hours. There was no associated weakness, HA