Prereq: First Responder or Emergency Medical Technician. Geriatric Education for Emergency Medical Services is a continuing education training course developed by the American Geriatric Society and the National Council of State EMS Training Coordinators. GEMS is an exciting curriculum designed specifically to help EMS providers address all of the special needs of the older population. GEMS represents the most credible and complete source of prehospital medical information for older adults. Class fee includes required text.