What do you recommend for vertebro basilar stroke?

Depends: This depends on the specifics. Acutely, the issues are to support the patient and prevent complications. ( make sure the patient is able to breath ok , that blood pressure is ok , etc) in some patients who get care withing 3-4.5 hrs of symptoms a clot busting drug may improve outcome. Long term rx involves rehab, risk factor control & use of aspirin, or even more potent drug to prevent blood clots.

Depends: Treatment and followup are dependent on the time frame of the stroke and individual patient need.