The Resuscitation Outcomes Consortium (ROC) was created to learn which treatments work when people have a cardiac arrest or severe injury. The ROC consists of ten sites and a coordinating center. The ROC investigators work with Emergency Medical Services (EMS) systems at each site to do these studies. Treatments studied include promising resuscitation drugs, tools and techniques.

The ROC Investigators do studies in which people who qualify receive either the currently accepted treatment or a new treatment assigned by chance (that is, in a manner like a coin toss). The trials are designed to test promising new treatments so that EMS providers can use those treatments most likely to benefit the public. The ROC investigators will also describe the rate of severe injury and cardiac arrest in the ROC communities.

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