This document discusses tinnitus, including its definition, epidemiology, evaluation, and various treatment options. It provides an overview of pulsatile tinnitus and its etiologies. Evaluation involves patient history, exams, and tests. Treatments discussed include lidocaine, benzodiazepines, antidepressants, stapedectomy, electrical stimulation, and enoxaparin, with evidence for their effectiveness. Other options like acupuncture, ginkgo biloba, and hyperbaric oxygen showed no effect or mixed results.