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Diver clearing ears Section of the human ear, the Eustachian tube is shown in colour. Ear clearing, clearing the ears or equalization is any of various maneuvers to equalize the pressure in the middle ear with the outside pressure, by letting air enter along the Eustachian tubes, as this does not always happen automatically when the pressure in the middle ear is lower than the outside pressure.
The ear is built to function like a "conveyor belt" by sloughing off dead skin and earwax that naturally pushes its way out. This system tends to work well without much need for assistance.
If medical management fails, myringotomy, which is a surgical procedure in which an incision is made in the eardrum to drain pus from the middle ear or to relieve pressure caused by a large buildup of fluid, is indicated, and usually accompanied by the insertion of a tympanostomy tube.
A tympanometry earplug is inserted into the external ear of the studied side to avoid fluctuations in ear pressure due to atmospheric conditions. The tubomanometer then creates a dysbarical situation, where the pressure conditions encountered during a rapid drop in altitude is reproduced.
Farmer notes that “ears clean themselves naturally like a self-cleaning oven,” so she recommends simply using a moist washcloth to clean the outer part of the ear canal as the wax is pushed ...
Variations of the maneuver can be used either in medical examination as a test of cardiac function and autonomic nervous control of the heart, or to clear the ears and sinuses (that is, to equalize pressure between them) when ambient pressure changes, as in scuba diving, hyperbaric oxygen therapy, or air travel.