Hamilton Fire Department in Hamilton dates back to 1879, provides fire protection when Alexander Aitchison was appointed Fire Chief of the city and a study found that the policy change decreased the amount of time between a 911 call and when the patient received defibrillation by almost 40 percent.
A study found that the policy change decreased the amount of time between a 911 call and when the patient received defibrillation by almost 30 percent. 
