Guam EHDI Outpatient Hearing Screening Clinic by Guam CEDDERS On August 26th Dr. Renee Koffend, Aud., CCC-A, Guam Early Hearing Detection and Intervention (GEHDI) Audiology consultant, conducted hearing screening on infants using an AABR device (top), and an OAE device (bottom), during the Outpatient Hearing Clinic held at Guam EHDI, House 21, Dean’s Circle, UOG. Community Services: Technical Assistance Guam Early Hearing Detection & Intervention