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Posts with the category “dive-safety-faq”

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Santa Claus Gets Bent
February 6th, 2024
The hospital was quiet after Christmas with many of the consultants, bar those working in emergency and tending to the wards, still being on their Christmas weekend leave. It was a lovely night to sta...  Read More
by DAN Team
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Team Awareness an Positioning
February 6th, 2024
The ability to face one another on ascents and descents, and to use the environment for the team's safety, enhances communication procedures and enables an appropriate chain of reactions should one te...  Read More
by DAN Team
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Diving Etiquette
February 6th, 2024
Divers want to have a good time, so if you can maintain a relaxed demeanour (despite your own fastidious habits or mild anxiety before diving), you will be doing everyone a favour. There are also ways...  Read More
by DAN Team
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Low Platelet count
November 18th, 2023
Decompression injuries add another dimension to bleeding risk, as bubble formation and growth cause microscopic tissue damage through mechanical tissue disruption and normal inflammatory processes....  Read More
by DAN Team
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Going Tec.....or maybe not?
November 18th, 2023
This is perhaps the most important question of all – why do you want to go tech? Is it your dream or do you want to impress your friends? Maybe you are a ‘certification collector'? Your motivation to ...  Read More
by DAN Team
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Are rebreathers suitable for recreational divers? – Part 2
October 21st, 2023
The first advantage we looked at for the technical diver is gas duration. This is also a benefit for recreational divers. They may not be doing such long dives but for many divers their air consumptio...  Read More
by DAN Team
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Are rebreathers suitable for recreational divers? Part 1
October 21st, 2023
One of the biggest factors that comes into the decision to switch to a rebreather is costs. This has two aspects, the costs of the rebreather, including buying and maintaining it, set against the cost...  Read More
by DAN Team
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Monitoring Cardiac Health in Scuba Divers
September 27th, 2023
DAN Research’s incident analysis program has shown that approximately one-third of diving fatalities can be traced to a cardiac event, making cardiac-related issues the No. 1 cause of fatalities while...  Read More
by DAN Team
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RESEARCHER PROFILE: Petar Denoble: Solving practical issues for divers
September 27th, 2023
We need to learn more about what constitutes individual variability. Because nitrogen bubbles have a role in DCS, at least in describing the severity of decompression stress, I would like DAN’s New Bu...  Read More
by DAN Team
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Liability in Context
September 16th, 2023
It's important to note that the availability and specific terms of these liability policies may vary among insurance providers. It's advisable to consult with an insurance specialist or broker to dete...  Read More
by DAN Team
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Avoid Diving With Earplugs
September 16th, 2023
Students in open-water training learn multiple methods to equalize air spaces. Whether it is the Valsalva manoeuvre or another modified equalization technique, we learn how to push air up through the ...  Read More
by DAN Team
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6 Common Questions About Women’s Health and Scuba Diving
August 20th, 2023
Roughly 1/3 of scuba divers are women — and this number is growing. It goes without saying that all divers should maintain a healthy lifestyle and physical fitness, maintain their health, follow their...  Read More
by DAN Team
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To Spliff Or Not To Spliff
August 7th, 2023
The carbon monoxide can also cause an increase in brain blood flow which might elevate the risk of cerebral decompression sickness after diving. Smoking after a dive also interferes with bubble mechan...  Read More
by Dennis Guichard
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Diver and Dive Operator Ethics
April 30th, 2023
Financial incentives and kind behaviour kept us from noticing significant and concerning signs. Dive staff and professionals need to pay extra attention to checking every medical form, and staff membe...  Read More
by DAN Team
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Diver and Dive Operator Ethics
April 30th, 2023
Financial incentives and kind behaviour kept us from noticing significant and concerning signs. Dive staff and professionals need to pay extra attention to checking every medical form, and staff membe...  Read More
by DAN Team
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Regulators: CE marking and warranty
December 4th, 2022
CE marking does not mean that all CE-marked regulators are the same. It only tells us is that a regulator meets the minimum requirements for underwater breathing equipment. Performance still varies d...  Read More
by DAN Team
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Adaptations we experience in freediving - Part II
October 15th, 2022
Even if a freediver is in the best physical shape possible, if their mind is distracted, if they’re not comfortable with the increased level of pressure or darkness at depth, or they are not confiden...  Read More
by DAN Team
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Adaptations we experience in freediving PART 1
October 15th, 2022
When trying to gain adaptation of the lungs for freediving it’s important to add depth gradually when training. Even if a diver had the confidence, relaxation level, and breath hold time to dive to 10...  Read More
by DAN Team
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Diving with a Cold sore
September 15th, 2022
Cold sores can become complicated by bacterial infections, so it is important to wash them thoroughly with soap and water and keep them as clean and as dry as possible....  Read More
by DAN Team
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Mistakes and Bad Decisions
September 15th, 2022
It is a testament to DAN’s efficiency and reputation that the hospital didn’t once bother me about payment. I was on oxygen all night with occasional breaks for air since the hyperbaric doctor wouldn’...  Read More
by DAN Team
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Not in Denial
September 14th, 2022
The ER was not busy that afternoon. The doctor listened to my symptoms and understood I wanted to get to the chamber. He called the DAN hotline and spoke with the medic, who connected him with the D...  Read More
by DAN Team
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Emergency Oxygen and Oxygen Toxicity
August 10th, 2022
We hear about divers administering oxygen first aid and confusing it with chamber treatment protocols by giving air breaks to the injured diver. Air breaks are unnecessary and inappropriate for a dive...  Read More
by DAN Team
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Freedive with Psoriatic arthritis
August 10th, 2022
Metotrexate intake could put your student at a further risk for its side effects which includes lung tocixity and myelotoxicity. Hence you need to have your student’s fit to dive necessarily verified...  Read More
by DAN Team
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Good Air
August 10th, 2022
Experts have discussed whether air in a cylinder can actually “go bad,” but without any data, arguments for or against using the air after a prolonged period are purely speculative. ...  Read More
by DAN Team
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Stop Smoking!
August 10th, 2022
The benefits of quitting smoking will generally outweigh any side effects or complications from drugs used to help you quit. ...  Read More
by DAN Team
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Fin Foot or DCS?
August 10th, 2022
If fin straps are too tight or a diver forces his foot into the foot pocket too firmly, a steady mechanical pressure on the blood vessels may result. This is colloquially known as “fin foot.” ...  Read More
by DAN Team
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GET BENT!
July 6th, 2022
What have we learned about DCI in the last thirty years? ...  Read More
by DAN Team
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Dive Boat Safety
July 3rd, 2022
All boat operators should follow a checklist for necessary equipment, including having the required items on board and ensuring they are in working order. Some of these should be easy to spot — life j...  Read More
by DAN Team
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Cardiac Arrythmias in Scuba Divers
June 13th, 2022
Sudden cardiac death, or SCD, is an abrupt, unexpected loss of heart function that results in fatality and often occurs in people who were previously presumed healthy. ...  Read More
by DAN Team
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Continuing Education Can Make You a Safer Diver
May 30th, 2022
Post-dive debriefs help solidify good practices and correct sub-optimal ones. Finally, don’t overlook the valuable connections you can make with other divers in your area. Lifelong learners make for g...  Read More
by DAN Team
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Marfan Syndrome Recommendations.
April 7th, 2022
Medications and your baseline wellness are also worth reviewing. Some medications may have adverse reactions that may be a contraindication to diving. Your daily wellness is a necessary consideration,...  Read More
by DAN Team
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A Hole in My Heart
April 7th, 2022
During the summer of 2019, our group visited Lake Huron’s Thunder Bay National Marine Sanctuary in Michigan to dive the historic shipwrecks from the late 1800s that rest nearly intact in 160 to 200 fe...  Read More
by DAN Team
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High-Pressure Hose injuries
April 7th, 2022
When we first learn the basics of high pressures in hoses and cylinders, we are aware of the potential for serious injury to ourselves and those around us. If hoses fail, the results can be ear-shatte...  Read More
by DAN Team
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Not Only for Diving
March 30th, 2022
The training style DAN uses — repeating skills and information as building blocks to the next topic — gave me a reliable memory bank of the steps for first aid and neurological assessment. I easily re...  Read More
by DAN Team
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Air and a Spare
March 26th, 2022
If you think a small bailout bottle is right for you, consider a few other issues. Maintenance requirements will be similar to those for a full-sized scuba tank, including hydrostatic testing, so you ...  Read More
by DAN Team
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Scuba Cylinder Rundown
March 26th, 2022
When choosing an appropriate cylinder size, consider factors such as the cylinder’s weight, your gas consumption rate, anticipated dive profile, personal comfort, and how much gas your buddy may need ...  Read More
by DAN Team
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UNCERTAINTY AFTER DIVING: Case Report and Recommendations #1.
February 3rd, 2022
Books and articles about DCS usually include an extensive list of signs and symptoms. It is important to remember that none of the signs and symptoms in any such list is exclusive to DCS. ...  Read More
by DAN Team
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Rescue Skill Modification
November 25th, 2021
Techniques for rescue diving seemed suited for people with a different body type and skill set — at 5 feet, 4 inches tall, I am a petite woman. Practicing rescues was challenging at best and near-impo...  Read More
by DAN Team
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Sound in the Silence
November 25th, 2021
Audible cues and signals can get your buddy’s attention, signal a group of divers or indicate a problem you can help address. Even though we may dive to escape the noise of everyday life, we need to p...  Read More
by DAN Team
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Immature Blood cells
November 19th, 2021
Platelets are components within our blood responsible for beginning clotting. Decreased platelets will inhibit clotting, which may lead to uncontrolled bleeding. If you have bleeding from blunt or pen...  Read More
by DAN Team

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 2023
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