Coastal Valleys EMS Agency has released an EMS Special Memo 19-001 providing interim guidance for extending the time interval of Stroke symptoms onset. This Special Memo allows CVEMSA to implement potential lifesaving changes to the Acute Cerebrovascular Accident Policy 9303 prior to the completion of the protocol revision process, July 2019. The update to the Acute Cerebrovascular Accident Policy 9303 is effective immediately upon release.