What about the urge to burp?...lol every time I dive I have the urge to burp even at depth. I dont recall ever swallowing the air that I breathe but was curious if any other divers had experienced this..
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I'd like to trust DAN's guidance, but the author thinks the verb form of immersion is emerge:HERE's a nice piece from DAN on immersion diuresis. It isn't pressure-related, but more time and temperature. It's the concept underlying what I call "Brekke's rule", because a nice DM named Brekke once told me, "Go pee before you get in your dry suit, whether you think you need to or not."
A blend of immerse and submerge, I guess. Let's hope he didn't attend an American medical school.The phenomenon you describe is known as immersion diuresis and occurs whenever the body is emerged in water.
Immersion diuresis is a type of diuresis caused by immersion of the body in water (or equivalent liquid). It is mainly caused by lower temperature and by pressure.
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The pressure component is caused by the hydrostatic pressure of the water directly increasing blood pressure. Its significance is indicated by the fact that the temperature of the water doesn't substantially affect the rate of diuresis.