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Posts with the category “smart-guides”

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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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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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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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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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Pushing the Envelope: New Research into the Physiology of Deep Rebreather Diving
August 2nd, 2022
Our knowledge of decompression and other physiological aspects of immersion relies heavily on data from a very large number of dives, the vast majority of which is relatively shallow. At depths down t...  Read More
by DAN Team
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Four Tips For Staying Warm While Cold Water Diving
July 6th, 2022
The basic question in cold is how to maintain adequate thermal insulation without marked cold or heat strain and with minimal impairment on physical performance. 24-hour energy expenditure is increase...  Read More
by DAN Team
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Teach your Divers to be Prepared
June 9th, 2022
DAN takes the guesswork out of emergency logistics. Once a member calls the 24/7 hotline, DAN arranges care — including evacuations and complex air travel arrangements if necessary....  Read More
by DAN Team
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Rely on Your Emergency Planning
May 30th, 2022
As a busy dive professional, you have to keep track of students and their individual needs, organize training logistics, evaluate water conditions, and keep track of an endless list of safety related ...  Read More
by DAN Team
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DCS and Denial
May 30th, 2022
DCS is often unpredictable, but regardless of the dive profile, a diver who has symptoms after diving should be evaluated by a doctor. If you ever suspect DCS, trust your instincts and don’t delay — ...  Read More
by DAN Team
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Be a Great Dive Buddy
May 30th, 2022
Throughout the dive, communication is paramount. Underwater, the pair must communicate clearly, effectively of course, wordlessly. Beyond understanding hand signals, an ideal buddy pair might even be...  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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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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Preventing Breathing gas Contamination
February 5th, 2022
Ask questions and be observant. If you are unsure about the breathing-gas quality at a fill station, ask questions about compressor maintenance, procedures and testing....  Read More
by DAN Team
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DIVERS LOSING ACCESS TO EMERGENCY CARE
February 3rd, 2022
The harsh reality is that the percentage of hyperbaric medicine programs introduced during the last decade that are available on a 24/7 basis to treat divers and these other emergent conditions has co...  Read More
by DAN Team
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UNCERTAINTY AFTER DIVING: Case Report and Recommendations #3
February 3rd, 2022
Diagnosing DCS is generally a process of ruling out other causes. It is imperative that we not discount the possibility of nondiving-related injuries or illnesses just because someone was diving. Howe...  Read More
by DAN Team
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UNCERTAINTY AFTER DIVING: Case Report and Recommendations #4
February 3rd, 2022
The signs and symptoms of DCS are not exclusive to that condition. However, when a person experiences signs or symptoms after diving, DCS is very often presumed to be the diagnosis. This is not all ba...  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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MARINE ENVENOMATIONS: Jellyfish & Hydroid Stings
January 21st, 2022
Anaphylaxis is a potentially deadly allergic reaction that can involve respiratory distress, airway compromise and other unstable vital signs. If anaphylaxis occurs, immediately administer epinephrin...  Read More
by DAN Team
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Stacking The Deck
January 18th, 2022
Like the seafaring explorers of old, many in the diving community travel farther, dive deeper and consistently search the horizon and plumb the depths for new adventure. As a group, we are continually...  Read More
by DAN Team
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Shore Thing A HOW-TO GUIDE FOR ASPIRING BEACH DIVERS
November 19th, 2021
Aside from allowing me to avoid that sunrise alarm, shore diving offers other freedoms as well: the last-minute choice of a dive site, the ability to do two-hour dive without worrying a boat crew and...  Read More
by DAN Team
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Forging a Blue Economy
August 2nd, 2021
“The resort’s mission to protect the world’s richest reefs is meaningless if we do not take immediate and decisive action to reduce our carbon dioxide emissions and their resultant effects on climate ...  Read More
by DAN Team
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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
by DAN Team
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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
by DAN Team
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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
by DAN Team
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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
by DAN Team
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Pack Your Camera Equipment for a Dive Trip
July 13th, 2021
There is simply no way one can risk packing your valuable camera equipment into your check-in bags! Which means you must pack your expensive, valuable, fragile camera equipment into your hand luggage...  Read More
by DAN Team
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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
by DAN Team
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Physioball Stability Exercises
March 31st, 2020
The added weight of scuba gear raises your center of gravity, making your body less stable. That is why a small roll of a boat or an uneven step can have a larger than usual impact when you’re standin...  Read More
by DAN Team
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How to perform a Neurological Assessment
February 22nd, 2020
It is good practice to regard any neurological abnormality after diving as acute decompression illness. Notify a diving medical officer immediately....  Read More
by DAN Team
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How to perform One-rescuer CPR
February 22nd, 2020
Performing CPR and BLS on your own as a single rescuer can be extremely emotional and can take place in extremely confusing circumstances. ...  Read More
by DAN Team
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How to manage Oxygen Deficiency (Hypoxia)
February 17th, 2020
Providing oxygen as quickly as possible, is good practice for treatment of hypoxia Techniques vary widely depending on the patient's condition, but may include oxygen by face mask or nasal cannula, m...  Read More
by DAN Team
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How to Rescue a Distressed diver at the Surface
February 3rd, 2020
A guide as to the steps one should follow to assist a distressed diver at the surface....  Read More
by DAN Team
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DEMP: For more than dive Emergencies
December 11th, 2019
DEMP training, which teaches all the skills from four different first aid courses, can prove useful for more than just dive-related incidents. A spouse, friend or neighbor may need immediate CPR, and ...  Read More
by DAN Team
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Nine factors that play a major role in a scuba diver’s dehydration
July 15th, 2019
Since blood is partially responsible for the transportation of nutrients and for gas exchange, thickened blood will affect the off-gassing of nitrogen and increase the risk of developing DCS....  Read More
by DAN Team
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Emergency Underwater Oxygen Recompression
May 27th, 2019
Emergency underwater oxygen decompression is a procedure for remote areas only as is to be used in extreme cases where there is no decompression chamber available and only if divers are appropriately...  Read More
by DAN Team
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Aural Hygiene
May 25th, 2019
People are aware of their ears in many ways. Some people perceive the wax in their ears as a hygiene issue and overzealously clean it out This can cause problems of it own. Taking care of your ears be...  Read More
by DAN Team
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Your Dive Computer: Tips and tricks - PART 2
May 25th, 2019
Dive computers are wonderful at carrying out programmed mathematical computations, but they are blind to the many insights you may have before, during and between your dives. For example, your dive co...  Read More
by DAN Team
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Your Dive Computer: Tips and tricks - PART 1
May 25th, 2019
Know your gear and how to use it to better your dive experience. One piece of equipment that has become essential to most divers is a dive computer. There is an surprising range in models available. ...  Read More
by DAN Team
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Safety Is In The Air
August 7th, 2016
​Carbon monoxide (CO) is an odourless, colourless and tasteless gas, usually produced by the incomplete combustion of carbon containing compounds. It is absorbed 200 times more by haemoglobin than ox...  Read More
by Ryan Courtney

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 2022
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