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HMW drain the mid ear (Open the eustachian tube (Valsalva, Polizter, Pace…
HMW drain the mid ear
Open the eustachian tube
Valsalva
Polizter
Pace the ET opening muscles
Baro-receptors
Chemo-receptors
Massage
Endoscopic tube inflation
Yawning
Stent baloon
Reduce mid ear back-pressure
Biologically decrease gas flow to mucosa
Add insert gas through ET
Add cool gas through ET, which expands to body temperature
Microperforate ear drum
Add high pressure, highly diffusive gas to the outside of the ear
Mobilise the effusion
Pressure on ear drum
Sound
Create alternating pressure in the mid ear through ET
Change head position to use gravity
Suction through tube
Reduce inflammation
Anti-inflamatories
Cool down
Steroids
Reduce blood flow
Modify the properties of the effusion
Heat
Surfactant
Add bubbles
Water vapour