What is it called when a diver comes up too fast?
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. This doesn't cause a problem when a diver is down in the water.
Symptoms of nitrogen narcosis include: wooziness; giddiness; euphoria; disorientation; loss of balance; loss of manual dexterity; slowing of reaction time; fixation of ideas; and impairment of complex reasoning. These effects are exacerbated by cold, stress, and a rapid rate of compression.
- If DCS is suspected, it is treated by hyperbaric oxygen therapy in a recompression chamber. If treated early, there is a significantly higher chance of successful recovery.
- What measures can be taken to avoid decompression sickness? Dive within the limits set out in the diving tables. Keep your rate of ascent to a maximum 10 metres a minute. Don't plan any dives that need a decompression stop in the water.
- The Bends is an illness that arises from the rapid release of nitrogen gas from the bloodstream and is caused by bubbles forming in the blood when a diver ascends to the surface of the ocean to rapidly. It is also referred to as Caisson sickness, decompression sickness (DCS), and Divers' Disease.
Here's a look at some of the best tips we've come across to avoid decompression sickness and minimize the risk of ever experiencing it ourselves:
- Plan,Plan, Plan.
- Don't dive drunk or high.
- Stay hydrated.
- Adhere to safety stops and a slow ascent rate.
- Don't fly immediately after diving.
- A: It's a form of decompression sickness initially observed in deep sea divers. At great depths under water the excess pressure causes nitrogen gas to be absorbed into the blood. If the diver surfaces too quickly the nitrogen forms bubbles in the blood which raise havoc in the body.
- 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. This doesn't cause a problem when a diver is down in the water.
- Thus, the deeper you dive, the faster you consume air from your scuba tanks, no matter how much air it holds to start with. So how long does a scuba tank last? The average beginning diver's air consumption in calm waters runs a tank close to empty in around 1 hour at 10m depth (compared to just a few minutes at 40m).
Scuba diving, while enjoyable, does carry the risk of decompression sickness, also known as "the bends." It is a serious, and potentially lethal disease, but treatable if diagnosed early. Serious cases of the bends can result in coma or death.
- Barotrauma typically occurs when the organism is exposed to a significant change in ambient pressure, such as when a scuba diver, a free-diver or an airplane passenger ascends or descends, or during uncontrolled decompression of a pressure vessel such as a diving chamber or pressurised aircraft, but can also be caused
- Symptoms of decompression sickness include:
- Joint pain.
- Difficulty thinking clearly.
- Extreme fatigue.
- Tingling or numbness.
- Weakness in arms or legs.
- A skin rash.
- A recompression chamber is a hyperbaric treatment chamber used to treat divers suffering from certain diving disorders such as decompression sickness. When hyperbaric oxygen is used it is generally administered by built-in breathing systems (BIBS), which reduce contamination of the chamber gas by excessive oxygen.
Updated: 3rd October 2019