CHELMSFORD, Mass.--(BUSINESS WIRE)--ZOLL Medical Corporation (Nasdaq GS: ZOLL), a manufacturer of resuscitation devices and related software solutions, announced today that in the short span of eight months since the Chula Vista, California Fire Department (CVFD) installed the ZOLL AutoPulse® Non-Invasive Cardiac Support Pump, the department has experienced a 46.7 percent increase in survival rates from sudden cardiac arrest (SCA). Prior to installing the devices on its first responder equipment, the department was recording only an 8 percent SCA survival rate.