Tag

Decompression Sickness

All articles tagged with #decompression sickness

science11 days ago•137 min saved

Pigs in diving suits reveal carbon tetrafluoride could curb the bends

Duke researchers tested carbon tetrafluoride (CF4) as part of a breathing-gas mix in 40 pigs under simulated deep dives in a hyperbaric tank. The pigs switched to CF4 for the last 10 minutes of the dive had fewer decompression sickness signs and no deaths, while the control group breathing heliox faced severe symptoms and high mortality. CF4 is less soluble than helium, slowing inert-gas uptake and bubble formation, suggesting a potential safer gas mix for deep dives. However, the authors caution that translating this to humans is not immediate due to cost and safety considerations, and likely limits its use to commercial or military diving. The study was published in Proceedings of the National Academy of Sciences (PNAS).

via Live Science|

#carbon-tetrafluoride #decompression-sickness #diving

world3 months ago•5 min saved

Maldives cave tragedy: five Italian divers dead, rescue diver dies

Five Italian divers are believed to have died after descending into a deep underwater cave in the Maldives’ Vaavu Atoll, while a Maldivian National Defence Force diver died of decompression sickness during a rescue attempt. Weather hampered search efforts as eight local divers worked and three Finnish cave-diving experts were en route to rethink the plan. The victims were Monica Montefalcone, Giorgia Sommacal, Federico Gualtieri, Muriel Oddenino, and Gianluca Benedetti; Benedetti’s body had been recovered near the cave mouth. The tour operator involved denies authorizing the deep dive, and the operation is under investigation.

via ABC7 Chicago|

#cave-diving #decompression-sickness #italian-divers

world3 months ago•3 min saved

Maldives cave dive tragedy claims a rescuer amid search for missing Italians

A Maldivian National Defence Force diver died from underwater decompression sickness while helping search for four Italian divers believed to be trapped in a deep underwater cave off Vaavu Atoll. Benedetti’s body has been recovered near the cave mouth, and the other four are believed inside the cave. Rescue operations have been hampered by rough seas and the depth (about 50 meters) exceeds recreational limits. Italy is coordinating with Divers Alert Network to aid recovery, and the Maldives has suspended the Duke of York’s operating license pending investigation.

via NBC News|

#cave-diving #decompression-sickness #italian-divers

health3 years ago•2 min saved

Rare Medical Case: Scuba Diver's Blood Vessels Leak Fluid After Deep Cave Dive

In a rare medical case, a scuba diver who went on a 100-foot cave dive developed systemic capillary leak syndrome (SCLS), a severe form of inflammation where fluid leaks out of blood vessels. The syndrome was a complication of decompression sickness, commonly known as "the bends." Prompt treatment and recognition of symptoms by medical professionals helped the diver survive and recover in under a week. This case highlights the importance of awareness among physicians regarding potential complications associated with deep diving. However, it is important to note that millions of people dive safely each year without experiencing this syndrome.

via Livescience.com|

#decompression-sickness #health #medical-case

military-technology3 years ago•4 min saved

Revolutionary Navy Diving Suit Enhances Deep Sea Exploration

The US Navy has developed a new Deep Sea Expeditionary with No Decompression (DSEND) suit that maintains steady internal pressure, eliminating the risk of decompression sickness and allowing divers to work for extended periods at great depths. The suit’s design facilitates natural movement, reducing diver fatigue, and its future development includes at-sea testing in realistic environments. The DSEND suit is a game-changer for deep-sea diving, allowing divers to conduct harder missions by going deeper, executing faster, and operating longer, all while being protected by a sensorized suit of armor.

via SciTechDaily|

#decompression-sickness #deep-sea-diving #dsend-suit