Cardiac Arrest Survival Rates Triple for Arizona Fire Department

Survival rates have more than tripled for cardiac arrest patients in the Northwest Fire District (NWFD) as a result of a new treatment protocol and a close partnership with the University of Arizona Medical Center (UAMC), the hospital that provides the fire district’s medical direction, reports Explorer News.

The data show that, just eight months after implementing a new, state-approved treatment standard for patients who experience “Sudden Cardiac Death,” Northwest Fire has dramatically increased the chance of survival in two key cardiac arrest categories they monitor compared to the previous year:
All incidents of cardiac arrest (bystander witnessed or not, with a “shockable” heart rhythm or not) now have a 14.6 percent chance of survival compared to 4.9 percent reported prior to the new treatment protocol

The cardiac arrest treatment model now used by NWFD is called Minimally-Interrupted Cardiac Resuscitation, or MICR, and the protocol went into effect in January of this year. NWFD has now joined other emergency medical services (EMS) agencies throughout the state in demonstrating just how effective the alternate EMS system cardiac protocol can be by reporting patient outcomes through to hospital discharge. This is accomplished because both NWFD and Tucson-area hospitals report treatment information to SHARE (Save Hearts in Arizona Registry and Education), a state health department program that partners with EMS providers to maintain records on cardiac arrest incidents (

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