Snapshot A 9-month-old boy presents to your urgent care clinic for increased irritability. One week prior to presentation, the patient had an upper respiratory infection, which has since improved. Over the last day, the mother has noticed that the child has been tugging at his right ear, refuses to lie down on it, and has had a fever. There is right tympanic membrane erythema that is bulging and minimally mobile with pneumatic otoscopy. Introduction Definition login to view 1 more bullet Epidemiology Incidence login to view 1 more bullet Risk factors login to view 3 more bullets Etiology Infectious login to view 3 more bullets Viral login to view 6 more bullets Pathoanatomy Pathogenesis login to view 3 more bullets Anatomy login to view 2 more bullets Presentation Symptoms login to view 7 more bullets Physical exam login to view 4 more bullets Studies Pneumatic otoscopy login to view 3 more bullets Differential Otitis media with effusion login to view 4 more bullets Treatment Medical login to view 16 more bullets Complications Hearing loss Tympanic perforation Tympanosclerosis Cholesteatoma Mastoiditis Meningitis Epidural and brain abscess Cavernous sinus thrombosis