Posts with the category “dive-safety-faq”
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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GET BENT!
July 6th, 2022
What have we learned about DCI in the last thirty years? ... Read More
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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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
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DAN SUMMER RESEARCH INTERNSHIP
November 19th, 2021
More than 100 interns over 20years have participated in DAN’s internship programs, working
with established mentors in research, risk mitigation or medicine to gain knowledge and valuable professional... Read More
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Looking into the lungs
November 18th, 2021
When I started reading about breath-hold research, I realized that nobody had shown that a breath-holding human could conserve oxygen. There were, however, discussions about oxygen-conserving effects ... Read More
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Suseptability to Seasickness
August 18th, 2021
The inner ear houses the vestibular apparatus and the semicircular canals, which send information about balance, head position, motion and acceleration to the brain. These organs are sensitive to pres... Read More
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It Takes a Village
August 2nd, 2021
A 2009 survey by the Ocean Project revealed that young people care greatly about ocean conservation, are motivated to act and often influence adults’ opinions. Informal educational opportunities run b... Read More
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DAN Member Profile: Tec Clark
August 2nd, 2021
Proper training, mentorship and many contact hours with students in the water are the keys to instilling values and creating better ambassadors for the sport, Clark said. Nobody is born a great diver;... Read More
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Outer- and Inner Ear Infections
July 29th, 2021
Trauma to the external canal disrupts the protective epithelium that, along with earwax, prevents infection.... Read More
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Return to Freeding after Cancer Treatment
July 29th, 2021
Shallow water, however, does not always mean it’s safe. Your lungs must tolerate rapid changes of volume with the pressure at shallower depths, and the greatest changes occur in the first 33 feet (10 ... Read More
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Hiatal Hernia
July 29th, 2021
There is always some degree of DCS risk any time you dive, so take measures to minimize that risk. Continuously monitor yourself for signs and symptoms of DCS following a dive, and seek medical attent... Read More
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Know the Risks
July 29th, 2021
Envenomation by certain box jellyfish can cause a rare condition known as Irukandji syndrome. An interesting case resulted when a diver experienced Irukandji syndrome in conjunction with nitrogen narc... Read More
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Shallow-Water Arterial Gas Embolisms
July 29th, 2021
The pressure change during ascent is greatest closer to the surface. But since it doesn’t take much overpressure to cause barotrauma, it can also occur if divers hold their breath at depth, especiall... Read More
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Pregnant and Still Freediving
May 8th, 2021
I thought becoming pregnant when I had so many things I still wanted to put in place was a complication, but actually, it really hasn’t been... Read More
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Pregnancy and Diving
May 8th, 2021
Women of all ages have unique needs in terms of overall health, and it is very individualized and determined by many personal and environmental factors. There are a broad scope of health concerns — in... Read More
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Macro Photography 101 with Kate Jonker - Part 1
May 7th, 2021
Macro photography is a great way to show the textures and details of your subject. Try to shoot in manual! Get out of that “underwater” or “auto” mode and take control of your camera! The more you ca... Read More
Categories
2023
January
March
Demo DiversCape Marine Research and Diver DevelopmentKaboom!....The Big Oxygen Safety IssueTerrific Freedive Mode“LIGHTS, Film, Action!”Scuba Nudi ClothingDive into Freedive InstructionThe Benefits of Being BaldThe Inhaca Ocean Alliance.Special Forces DiverToughing It Out Is DangerousWhat Dive Computers Don\'t Know | PART 2
2022
January
February
UNCERTAINTY AFTER DIVING: Case Report and Recommendations #1.UNCERTAINTY AFTER DIVING: Case Report and Recommendations #2UNCERTAINTY AFTER DIVING: Case Report and Recommendations #3UNCERTAINTY AFTER DIVING: Case Report and Recommendations #4DIVERS LOSING ACCESS TO EMERGENCY CAREPreventing Breathing gas Contamination
March
When Should the Rescue Begin?Celebrating Young and Old in Turks and CaicosScuba Cylinder RundownChasing WeedsUnderwater Smartphone PhotographyAir and a SpareUnderwater Photographer: Fred BuyleBuilding Better BalanceLow-Visibility DivingMore Than a Sore ShoulderNot Only for DivingLaryngospasm and AnxietyPulmonary Hypertension and DivingTitan Meets TitanicPool Operation: Know Before you GoThe Argonaut Octopus and the jellyfishShort but Beautiful Lives
April
A Sense of PurposeMexico’s Sardine RunHigh-Pressure Hose injuriesA Hole in My HeartGoing UpConcussion and Return to DivingMarfan Syndrome Recommendations.South African Sardine Run by Walter BernardisSouth African Sardine Run By ProdiveSardine Run Port Elizabeth by ProDiveSardine Run Port St Johns by ProDiveScuba Diving In MauritiusScuba Diving in TanzaniaScuba Diving in the SeychellesScuba Diving in Nosy BeScuba Diving in MalawiScuba Diving in KenyaScuba Diving in South AfricaScuba Diving in Mozambique
May
June
July
Destination AntarticaUnconscious DiverA Little DetailDive Boat SafetyBlenny Watching 101Bonaire Inspires Hope for the Future of CoralThe Secret to Deep Freediving: Tips from 3 Female World Record HoldersEnsuring Safety in Freediving CompetitionsFour Tips For Staying Warm While Cold Water DivingAnd They Dived Happily Ever AfterFreediving Is About To Enter A New Era If Oxama Has Its SayGET BENT!The Joys and Challenges of the DeepUnderstanding The Secrets of Deep Freediving: Tips from Three National Record Holders