What causes the bends in divers?

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 causes decompression sickness?

Decompression sickness occurs when rapid pressure reduction (eg, during ascent from a dive, exit from a caisson or hyperbaric chamber, or ascent to altitude) causes gas previously dissolved in blood or tissues to form bubbles in blood vessels.

Can you fart while diving?

Farting is possible while scuba diving but not advisable because: … An underwater fart will shoot you up to the surface like a missile which can cause decompression sickness. The acoustic wave of the underwater fart explosion can disorient your fellow divers.

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?

The U.S. Navy policy is for a return to diving after 30 days for severe decompression sickness or air embolism (AGE) that completely resolves with treatment. The time period is shorter for pain only DCS.

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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.

Why do divers have to come up slowly?

Nitrogen in a diver’s body will expand most quickly during the final ascent, and allowing his body additional time to eliminate this nitrogen will further reduce the diver’s risk of decompression sickness. … Divers should slowly ascend from all dives to avoid decompression sickness and AGE.

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.

Is there a cure for decompression sickness?

The treatment of DCS is with 100% oxygen, followed by recompression in a hyperbaric chamber. [8] In most cases, this will prevent long-term effects. However, permanent injury from DCS is possible. To prevent the excess formation of bubbles leading to decompression sickness, divers limit their ascent rate.

How long does it take for the bends to set in?

Symptoms of the Bends. The nervous and musculoskeletal system are most often affected. If divers are going to develop symptoms, they will show within 48 hours in all cases. Most have symptoms within 6 hours, while some develop them within the first hour of surfacing from a dive.

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What happens if the bends goes untreated?

Untreated bends cause damage!

Failure to treat promptly and appropriately may lead to permanent impairment.