How do you get the SSI Specialty Diver rating?
You must complete 2 Specialty programs and have completed a total of 12 dives. You must complete 4 specialty programs and have completed a total of 24 dives. You must complete 4 specialty courses, Diver Stress and Rescue, and have completed 50 dives. SSI´s Master Diver is one of the most elite ratings in diving today.
What is SSI Diver level?
Free Training Recognition
| Level | Dives | Free Recognition Rating |
|---|---|---|
| Level 1 | 4 Dives | |
| Level 2 | 12 Dives | Specialty Diver |
| Level 3 | 24 Dives | Advanced Open Water |
| Level 4 | 50 Dives | Master Diver |
What happens if you dont decompress?
If the pressure reduction is sufficient, excess gas may form bubbles, which may lead to decompression sickness, a possibly debilitating or life-threatening condition.
What happens if the bends goes untreated?
Untreated bends cause damage! Failure to treat promptly and appropriately may lead to permanent impairment.
Can the bends be cured?
Immediate treatment with 100% oxygen, followed by recompression in a hyperbaric chamber, will in most cases result in no long-term effects. However, permanent long-term injury from DCS is possible.
How do you get rid of decompression sickness?
Treatment 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.
What happens if you don’t decompress after a dive?
If you don’t decompress when scuba diving you will end up with decompression sickness, which can be fatal. All dives are decompression dives, which means you should always ascend slowly after a dive and where appropriate carry out decompression stops. As a safety precaution you should also perform a safety stop too.
What happens if decompression sickness is not treated?
With decompression sickness (DCS), gas bubbles can form in the blood and tissues. If you believe you’re experiencing decompression sickness, it’s important to seek medical attention immediately. This condition can be fatal if it’s not treated quickly.
Will mild decompression sickness go away?
While very minor symptoms of DCS may go away with just rest and over the counter pain medications, it is thought that treatment with recompression and oxygen is ideal to prevent any possible long term effects from the injury.
How does decompression sickness kill you?
If you’ve scuba dived before, then you’ve definitely heard about decompression sickness or “the bends.” When divers ascend too quickly from deep waters, dissolved nitrogen in the blood forms bubbles which can cause excruciating pain in the muscles, paralysis, and in some cases even death.
At what depth do the bends start?
About 40 percent of the bent divers made a single dive with only one ascent. The shallowest depth for a single dive producing bends symptoms was ten feet (three meters), with the bottom time unknown. However, most of the divers made several shallow dives and sometimes multiple ascents.
What is a safety stop in diving?
A safety stop is a 3 to 5 minute stop made between 15 and 20 feet (5-6 meters) during the final ascent of a dive. Safety stops are considered mandatory by the majority of scuba training organization for dives deeper than 100 feet or those approaching a no-decompression limit.
How do freedivers not get the bends?
Free divers really don’t have to worry about decompression sickness (the bends) because they are not breathing compressed air underwater. They are simply taking a breath of air at the surface, descending, and returning to the surface with that same breath of air. Things just go back to normal.
How deep can you dive without decompression?
At a dive depth of 15 meters, you can go for around 70-80 minutes without having to make a decompression stop. At a dive depth of 30 meters, you have an NDL of around 20 minutes.
How can we prevent bends?
Dehydration seems to be a major factor in DCS. Take a day off during a week of diving. By taking a day off midweek, you decrease your nitrogen loading and give your body an opportunity to recover. Increase surface intervals, and decrease no-decompression limits.
How long do the bends last?
The duration of “the dive” within the chamber varies, but can be up to 12 hours and sometimes longer. At this depth or chamber pressure, bubbles are reduced in size or reabsorbed to ensure adequate blood flow.
Why are bends dangerous?
Decompression sickness (DCS), known as ‘the bends’ because of the associated joint pain, is a potentially deadly condition caused by bubbles of nitrogen gas forming in the blood and tissues. It’s most common among divers using scuba tanks, but can affect free-divers and people at high altitude.