 Primary Outcome: Are those children aged 6 months to 16 years who attend the Stollery Emergency Department and are diagnosed with AOM and sent home with conservative management more likely to fill a prescription for antibiotics over the next 7 days if their tympanogram is type B rather than types A or C? Secondary Outcomes: Does a type B tympanometry curve predict increases in 1Reported Pain 2Analgesic use 3Fever 4Sleep Disturbance 5Oral intake versus type AC tympanograms 6 Proportion of patients diagnosed with OM who have either type A or type A and C tympanograms. 