Emergency Oxygen for Scuba Diving Injuries (EO2)

Emergency Oxygen for Scuba Diving Injuries is a First Aid course. During this course, participants will become familiar with the signs and symptoms associated with decompression illness and non-fatal drowning and the proper administration of supplemental Oxygen. Proper assembly, disassembly and use of all components found in the Emergency Oxygen Unit are included in this course. This course is specifically designed as a lay-provider training to educate participants to recognize diving-related injuries and to properly use emergency oxygen for that purpose.
Upon successful completion of this course, graduates are considered competent to engage in performing emergency oxygen administration for diving injuries without supervision.

Get Started

There are no minimum age or previous certification requirements for these training programs.

What’s Next?

Continue your training by enrolling in a NAUI Rescue Scuba Diver or NAUI Specialty course. If you completed the aforementioned courses you may enroll in NAUI Divemaster course.


Academic: E-learning/Classroom

Practical Application:


  • Knowledge Development
    o Atmospheric Gases
    o Respiration and Circulation
    o Decompression Illness
    o Oxygen and Diving Injuries
    o Handling Oxygen Safely
    o Oxygen Delivery Systems and Components
      • Provider Skills
        o Oxygen Equipment identification, disassembly and assembly
        o S-A-F-E
        o Initial Assessment with Basic Life Support (review only)
        o Demand Inhalator Valve
        o Nonrebreather Mask
        o Resuscitation with a Bag Valve Mask (BVM) OR Using a Manually Triggered Ventilator (MTV)*
        o Emergency Assistance Plan
        o Assisting Two Injured Divers simultaneously