CHELMSFORD, Mass.--(BUSINESS WIRE)--ZOLL Medical Corporation, a manufacturer of medical devices and related software solutions, announced today that a publication released in the Annals of Emergency Medicine reported that survival from one of the leading causes of death in the United States, out-of-hospital cardiac arrest (OHCA), more than doubled when emergency medical providers utilized ZOLL defibrillators as part of a focused effort to improve pre-hospital CPR quality and maximize survival from OHCA in Arizona. In this study, ZOLL’s defibrillators with CPR feedback technology, including Real CPR Help® and CPR Dashboard™, in combination with scenario-based training, more than doubled the odds of survival-to-hospital discharge and of achieving a favorable neurological outcome (adjusted odds ratio of 2.72 and 2.69 respectively).