DFA includes all the content from DAN Basic Life Support (BLS), including CPR and first aid skills, all the content of the Emergency Oxygen for Diving Injuries, plus neurological assessments and first aid for hazardous marine life injuries. In the neurological assessment portion of the DFA course, you will learn how to recognize neurological injuries by performing a neurological assessment and how to collect vital information useful to emergency medical services. In the hazardous marine life injuries portion, you will learn how to identify some of the most common marine life injuries as well as the first aid skills to treat them.