Hearing loss Formal Audiometry Vs, Tuning Fork 71% of patients with Temporal Bone Trauma have hearing loss TM Perforations CHL> 40db suspicion for ossicular discontinuityHearing loss ◼ Formal Audiometry vs. Tuning Fork ◼ 71% of patients with Temporal Bone Trauma have hearing loss ◼ TM Perforations ◼ CHL > 40db suspicion for ossicular discontinuity