Also called aerotitis, this is blockage of the Eustachian tubes between the middle EAR and the PHARYNX as a result of rapidly changing external air pressure, such as occurs during descent of an aircraft. VALSALVA’S MANOEUVRE – pinching the nose with ?nger and thumb and attempting to blow hard through the nose – will usually relieve the blockage. People prone to this phenomenon may ?nd nasal decongestants helpful.... otic barotrauma
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