What happens if you cough while scuba diving?

It's perfectly alright to cough into your regulator until your airway is clear. If you feel that telltale tickle in the back of your throat, try to move into an open area where you won't bump into anything. Also, be aware of your buoyancy when coughing while scuba diving, as you may unknowingly hold your breath.
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What happens if you cough underwater?

Other signs to stay ashore: Coughing and rattling chest congestion. Excess mucus in your lungs not only makes it tough to breathe and increases the stress on your body, but it also heightens your risk for a potentially fatal arterial gas embolism (AGE) should air get trapped behind a glob of mucus in your lungs.
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What happens if you puke while scuba diving?

The vomit will be forced out the regulator in the same way your exhaled breath is. Nothing will get into your air supply because air does not flow back into your cylinder.
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What happens if you scuba dive with a cold?

If you're not able to equalise your ears and sinuses properly, this may cause: Middle ear barotrauma- ear pain and hearing loss. Inner ear barotrauma- ear pain, hearing loss, tinnitus, dizziness, nausea, vomiting. Sinus barotrauma- facial pain, nose bleeds.
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What is the most common injury in scuba diving?

EAR AND SINUS

The most common injury in divers is ear barotrauma (Box 3-03). On descent, failure to equalize pressure changes within the middle ear space creates a pressure gradient across the eardrum.
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5 Of The Worst Things You Can Do While Scuba Diving



Can your lungs explode scuba diving?

Pulmonary barotrauma (pulmonary overpressurization syndrome, POPS, or burst lung) can occur if the diver fails to expel air from the lungs during ascent. As the diver rises, the volume of the gas in the lung expands and can cause damage if the excess is not exhaled.
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What kills scuba divers?

The most common injuries and causes of death were drowning or asphyxia due to inhalation of water, air embolism and cardiac events. Risk of cardiac arrest is greater for older divers, and greater for men than women, although the risks are equal by age 65.
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Why do I spit blood after scuba diving?

The barotrauma that results when the sinuses are not equalized can cause blood vessels in the lining of the nose to burst. These vessels lie very close to the mucous membranes that line the nose and sinuses, and the blood can come from either of these linings.
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Can I dive with a runny nose?

Your symptoms can be just like a severe head cold — runny nose, sneezing, coughing and fatigue. If you are suffering from an acute episode due to hay fever, the recommendation is the same as a head cold, and you should not dive.
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Should you dive with a stuffy nose?

It's always best not to dive with a cold or any condition that may block the sinus air passages. If you experience difficulties during descent, this is the time to abort the dive. Remember that you can only abort a descent, never an ascent.
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What happens if you sneeze underwater?

The topic of underwater sneezing has come up in a number of scuba diving forums, and the consensus seems to be that sneezing underwater is pretty much exactly like sneezing on land.
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How do scuba divers clear their ears?

VALSALVA MANEUVER | Pinch Your Nose and Blow

This is the method most divers learn: Pinch your nostrils (or close them against your mask skirt) and blow through your nose. The resulting overpressure in your throat usually forces air up your Eustachian tubes.
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Can I dive if Im coughing?

It's perfectly alright to cough into your regulator until your airway is clear. If you feel that telltale tickle in the back of your throat, try to move into an open area where you won't bump into anything. Also, be aware of your buoyancy when coughing while scuba diving, as you may unknowingly hold your breath.
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What should you not do before scuba diving?

Scuba Diving Don'ts
  • Never drink and dive.
  • Never go diving without telling someone what you are doing and when you expect to be back.
  • Never eat a big meal before diving and wait for at least two hours after eating before you start scuba diving.
  • Never dive outside of your comfort level.
  • Never dive with broken equipment.
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Can scuba diving make you throw up?

While there are many causes for nausea and vomiting, the most common while diving are seasickness and salt water aspiration. Salt water aspiration usually occurs while surface swimming or snorkeling. It can also come from a leaking exhaust valve in the second stage of the regulator.
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Can you scuba dive with a chest cold?

Any diver, proud to be so, knows ears, nose, and lungs have to work properly, otherwise, it could be an important drawback. Diving with a cold would not allow you to compensate during the descend. On the other hand, reverse-compression could happen on the way back up. So, diving with a cold is not recommended.
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When does a diver feel narked?

Two minutes after arriving at depth, have an exchange with your dive buddy. The impact of being narked will generally appear within the first two minutes at a depth. A simple prearranged test should be good enough. You might also want to include a signal to ascend a couple of meters.
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Can you scuba dive with a chest infection?

During this time there may also be excessive mucus in the airways, which could cause gas-trapping during ascent. Because of this, diving physicians recommend that diving should be postponed after a respiratory infection until all symptoms, including cough, have completely resolved.
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Can you go diving with a headache?

It is not advisable to dive whilst experiencing a migraine as any neurological symptoms such as visual loss would put you and your buddy at increased risk when diving.
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How do I stop my sinus squeeze when diving?

Preventative actions include avoiding diving with concurrent upper respiratory infection and/or active allergic rhinitis. Prophylactic oral decongestants such as oxymetazoline spray, pseudoephedrine, and topical intranasal glucocorticoids can also be used.
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Is it OK to share a computer with your dive buddy?

Many people, especially divers that does not dive regularly, does not own one. If you are thinking of sharing a dive computer with your dive buddy, don't. Sharing a dive computer is not a sensible practice. It is almost impossible for us to be constantly at the same depth/level with our dive buddy.
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Is 47 meters down a true story?

None of the four teens in the film are based on any particular real person, though in the press notes for the film, director Johannes Roberts says he modeled their relationships after another director's style.
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Why do divers spit in their masks?

Decreasing the surface tension of these water droplets and creating a moisture film prevents fogging. So how does Spit help in defogging a mask? Saliva acts as a surfactant. Surfactants are wetting agents that lower the surface tension of a liquid, allowing easier spreading.
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What do the bends feel like?

The number of joints affected varies from person to person. The pain associated with the bends usually feels like a dull ache, but can be much more severe, like a stabbing sensation. This painful sensation can also occur in other parts of the body, including the ear, the spinal cord, the lungs, the brain or the skin.
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What happens if a diver ascends too quickly?

Decompression sickness. Often called "the bends," decompression sickness happens when a scuba diver ascends too quickly. Divers breathe compressed air that contains nitrogen. At higher pressure under water, the nitrogen gas goes into the body's tissues.
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