EMS Home

Welcome: The University of Arizona Department of Emergency Medicine (DEM) is pleased to offer subspecialty services in the area of Emergency Medical Services (EMS) as well as MCI/Disaster preparedness and response. Throughout its history, the department has been a leader in EMS both at a local and state level, as well as at the national and international levels. The physicians, nurses, and paramedics of the DEM are proud to work with multiple outstanding local EMS agencies to provide medical direction for the majority of patients receiving medical care in Southern Arizona.

Clinical EMS: The DEM provides clinical EMS medical direction/oversight across a broad spectrum of EMS operational environments. In addition to the clinical services offered directly through the DEM, specific clinical information from several of our partner organizations/agencies can be found below:

  • Administrative Medical Direction services
    • Tucson Fire Department
  • Base Hosptial Medical Direction services
    • Banner - University Medical Center Tucson Base Hospital
    • Banner - University Medical Center South Base Hospital


Administrative guidelines


EMS Education: The DEM offers educational opportunities for EMS providers, University of Arizona students, Emergency Medicine residents, and EMS fellows.  

EMS Research: The DEM has been and continues to be a national leader in the areas of out-of-hospital cardiac arrest, traumatic brain injury, and many other areas of out-of-hospital medical care.

Disaster Preparedness & Response: The DEM offers MCI/Disaster and HAZMAT training and educational opportunities.

EMS Clinical Information

EMS Communications & Helipad Safety

  1. Helicopter landing path coordinates:
    • N 32.14.50
    • W110.56.78
  2. Helicopter and ground safety routes:
    • Helicopter arrival and departure routes
    • EMS ambulance access to Emergency Department
    • Pad Diagram
  3. Emergency Phone Numbers:
    • Tucson MEDS Control: 520-791-4678
    • Base Hospital Office: 520-694-6057
  4. Radio Frequency:
    • PCWIN:
    • VHF: transmit (467.975), receive (462.975)
  1. Helicopter landing path coordinates:
    • N 32.17775
    • W110.931
  2. Emergency Phone Numbers:
    • Tucson MEDS Control: 520-791-4678
    • Base Hospital Office: 520-894-4141