THE EARS & DIV­ING

Fast Facts about Equal­i­sa­tion

Scuba Diver Australasia + Ocean Planet - - Buyer's Guide - By DAN Asia-Pa­cific

ANATOMY OF AN EAR

The ear is the or­gan of hear­ing and bal­ance. Understanding its anatomy can help bet­ter il­lus­trate why it’s es­sen­tial to equalise. The ear con­sists of three dis­tinct spa­ces filled with ei­ther air or liq­uid: the ex­ter­nal, mid­dle and in­ner ear. As divers de­scend in the col­umn of wa­ter, en­vi­ron­men­tal pres­sure on the body in­creases in a lin­ear fash­ion across the body. To pre­vent pres­sure-re­lated in­juries such as bleed­ing, 0edema (swelling) of soft tis­sues, leak­age of fluid into the air space and mem­brane rup­ture, divers must ac­tively en­able air from the throat to en­ter through the eu­stachian tubes into the mid­dle ear by us­ing equal­i­sa­tion tech­niques.

Newspapers in English

Newspapers from Australia

© PressReader. All rights reserved.