Pneumatic otoscopy

Middle ear effusion findings with pneumatic otoscopy... 

Review diagnostic information to determine if acute infection is present. Are all three diagnostic criteria present Was the proper method used for diagnosis (pneumatic otoscopy) ... 

Pneumatic otoscopy A diagnostic technique involving visualization of the tympanic membrane for transparency, position, and color, and its response to positive and negative air pressure to assess mobility. 

Pneumatic otoscopy or tympanometiy demonstrates an immobile eardrum 50% of cases are bilateral. Draining middle ear fluid occurs (<3% of patients) that usually reveals a bacterial etiology. 

---