Middle-Ear Equalisation

Middle-ear equalisation is a basic, essential diver skill that equalises the pressure in the sinuses and middle-ear spaces with the ambient pressure. To be a safe diver and avoid middle-ear injuries, you must understand the effects of pressure changes and learn how to actively let air into your middle ears through your Eustachian tubes.Mechanisms of EqualisationMiddle EarThe middle-ear cavity is b

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