What causes the bends in diving?

What happens when you get the bends?

(Decompression Illness; Caisson Disease; The Bends)

Decompression sickness is a disorder in which nitrogen dissolved in the blood and tissues by high pressure forms bubbles as pressure decreases. Symptoms can include fatigue and pain in muscles and joints.

What depth causes bends?

“This condition is quite difficult to diagnose and, untreated, can lead to permanent disability.” One diver got the bends – a painful condition caused by gas bubbles forming in the bloodstream – from diving in water less than four metres deep.

Will the bends go away on its own?

In some cases, symptoms may remain mild or even go away by themselves. Often, however, they strengthen in severity until you must seek medical attention, and they may have longer-term repercussions.

Can you dive again after the bends?

If there is incomplete resolution of symptoms after treatment has been completed, a return to diving should be discouraged. Returning to diving after complete resolution of mild DCS is appropriate after a brief recovery period of a few weeks.

What does the bends feel like?

The most common signs and symptoms of the bends include joint pains, fatigue, low back pain, paralysis or numbness of the legs, and weakness or numbness in the arms. Other associated signs and symptoms can include dizziness, confusion, vomiting, ringing in the ears, head or neck pain, and loss of consciousness.

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How fast can you ascend diving?

You should never exceed an ascent rate of 10m/minute when diving shallower than about 30m. . An ascent rate of 5-6 metres per minute is recommended in the last 10m of ascent. Complete safety stops on all dives that exceed 10m depth.

How do whales not get the bends?

When air-breathing mammals dive to high-pressure depths, their lungs compress. … Marine mammals’ chest structure allows their lungs to compress. Scientists have assumed that this passive compression was marine mammals’ main adaptation to avoid taking up excessive nitrogen at depth and getting the bends.