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Tympanic membrane mobility
Decrease mobility ddx
- otitis media with effusion
- adhesive otitis media
- tympanosclerosis
- atelectasis
Increase mobility ddx
- patulous eustachian tube ( يضل مفتوح مينسد)
Two methods to examine tymp. Membrane mobility
1- valsalfa maneuver
2- pneumatic siegle speculum
