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Posts with the category “dive-safety-faq”

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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
by DAN Team
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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
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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Due Diligence for Parents and Young Divers
May 4th, 2021
Parents need to be confident, capable divers themselves. When you take responsibility for someone else’s life, regardless of whether it’s a child or an adult, you need to be physically fit, properly e...  Read More
by DAN Team
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Scuba Diving and Factor V Leiden gene mutation
October 19th, 2020
The goal isn’t to find a physician to sign off on your ability to dive but rather to objectively determine whether your medical history, Factor V in your case, is compatible with diving....  Read More
by DAN Team
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The Watchman device and diving
October 19th, 2020
Divers who have AFib should be well rate controlled, both at rest and when performing moderate exercise, and understand the possible complications of their condition before considering diving. We reco...  Read More
by DAN Team
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Children and Diving
October 19th, 2020
Children are still developing both physically and mentally, which affects the decision about whether a young diver is fully capable or requires some modification. Some training agencies allow in-water...  Read More
by DAN Team
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Nitrogen Narcosis at shallow depths
October 19th, 2020
His gas consumption may indicate hyperventilation occurred during the dive. Without further speculation, the student will need a dive medical exam, and he should discuss this incident with a dive medi...  Read More
by DAN Team
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Oil and Particulates: Safe levels in Breathing Air at depth
October 19th, 2020
Laboratory analysis provides a good degree of accuracy but requires sending a sample, so it is a time- and money-intensive spot check. Several volatile organic compound (VOC) analysers are available f...  Read More
by DAN Team
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Acoustic Neuroma
July 3rd, 2020
When considering diving, there are several issues to address: preexisting partial deafness and the risk of complete hearing loss due to barotrauma, physical or functional impairments that may interfer...  Read More
by DAN Team
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Hip Fractures
July 3rd, 2020
The industry standard for a return to diving after any fracture is for your doctor to release you for full and unrestricted activity, including contact sports, and then have an additional convalescent...  Read More
by DAN Team
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Aluminium Exposure
July 3rd, 2020
There is no way to detect aluminium oxide in a tank other than opening the tank to inspect it. You can try to prevent your exposure by always using your own tanks...  Read More
by DAN Team
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Diving at Altitude
July 3rd, 2020
Many dive computers have a barometer or pressure sensor that samples the pressure when you turn them on at the dive site. A drawback to this feature is it senses the pressure of only where you are....  Read More
by DAN Team
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Lung squeeze under cold diving conditions
June 17th, 2020
Immersion Pulmonary Edema (IPE) is a multifactorial condition, largely a net effect of increased central blood volume, pressures within the chest and, for compressed-gas divers, increased breathing r...  Read More
by DAN Team
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Travel Smarter: PRE-TRIP VACCINATIONS
June 2nd, 2020
Protecting yourself from disease involves not only staying in good shape, getting enough sleep, maintaining adequate nutrition and hydration and practising proper hygiene but also ensuring you are up ...  Read More
by DAN Team
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Diving and Hepatitis C
May 14th, 2020
Divers encounter situations that involve sharing masks, snorkels, helmets and alternate air sources. It is reasonable to be concerned about sharing equipment with a diver who has HCV. A diver’s saliva...  Read More
by DAN Team
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Effects of Aspirin on Diving
May 11th, 2020
Aspirin is a potent medication that has antithrombotic effects by affecting platelet function. Platelets play an important role in the clotting function. This effect can be seen with low doses of aspi...  Read More
by DAN Team
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Diving after Dental surgery
March 28th, 2020
When a tooth is damaged or decayed, air may enter but have no way of being equalized. The diver may experience tooth pain (barodontalgia) during descent as the air compresses with depth and/or on the ...  Read More
by DAN Team
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Delayed Off-Gassing
March 28th, 2020
A condition or injury that compromises the blood supply to tissues may theoretically impair inert gas uptake and elimination....  Read More
by DAN Team
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Diving with Multiple Medications
March 28th, 2020
If you are taking a new medication, plan to wait a month before diving to understand how the medication affects you and your condition. If you experience drowsiness, delayed response or any other inab...  Read More
by DAN Team
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Down in the Dumps
March 28th, 2020
The shaft is the size of an oldworld telephone booth and feels as constricting as a middle coach seat in a row of strangers. I reach my hand into the hot black muck. Redundant layers of rubber signifi...  Read More
by DAN Team
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Getting Decompression Sickness while Freediving
March 27th, 2020
Over the past few years only a few cases of DCS during freediving have been reported, and they all were associated with repeated deep dives over a short time. Since there is little information, statis...  Read More
by DAN Team
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How to manage Malaria
February 17th, 2020
Malaria usually presents initially with flu-like symptoms: headaches, muscle and joint aches, and fever. Severe shivering attacks (rigors) and high fever then occur and recur in a cyclical pattern eve...  Read More
by DAN Team
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Manage you Heartburn
December 12th, 2019
With severe reflux there is a risk of aspirating food or acid into the lungs or respirator when diving which is incredibly serious. ...  Read More
by DAN Team
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Sea Urchin Puncture wounds
December 1st, 2019
When a sea urchin spine puncture involves a joint, promptly seek medical attention at the time of injury. ...  Read More
by DAN Team
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Predisposition to Pulmonary Barotrauma
December 1st, 2019
Since barotrauma can occur with hyperinflation of lung tissue, a diver’s lungs must be able to tolerate rapid changes in volume and pressure....  Read More
by DAN Team
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Broken bones healed
December 1st, 2019
Opportunistic micro-organisms in salt water and untreated water from sources such as lakes, rivers and quarries exponentially increase the risk for infection. ...  Read More
by DAN Team
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Diving after Chiropractic adjustments
November 30th, 2019
Some people might experience complications or side effects for a few days following a chiropractic adjustment...  Read More
by DAN Team
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Wetsuits and heat stress
November 30th, 2019
Spending a prolonged time on the deck of a dive boat or onshore while dressed in a wetsuit, prior to entering the water can cause heat stress and exhaustion....  Read More
by DAN Team
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Advice, Support and a Lifeline
November 30th, 2019
From across the world, DAN constantly assisted me throughout the entire ordeal from the moment I contacted them. When I arrived home, the DAN doctor saw me in person to follow up about my DCS. DAN’s e...  Read More
by DAN Team
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When should I call my Doctor?
November 30th, 2019
If you had health issues before the dive, it is possible that postdive symptoms are related to your preexisting condition. Distinguishing between DCI and unrelated health issues in postdive symptoms i...  Read More
by DAN Team
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Air Hoses: A Closer Look
October 3rd, 2019
In our ongoing effort to learn more about these hose failures, we consulted the manufacturers. A major supplier expressed great concern about the reports and asked that we share as much information wi...  Read More
by DAN Team
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Marine Life injury
September 5th, 2019
It is not unusual to experience delayed symptom onset. Some divers have obvious initial symptoms that resolve and then manifest again days later. Dermatologists refer to this as a delayed hypersensit...  Read More
by DAN Team
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Retinal Detachment
September 4th, 2019
A retinal detachment is very serious and should be treated urgently due to the risk of permanent vision loss in the affected eye....  Read More
by DAN Team
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Vaping and Diving
September 4th, 2019
The residuals of incomplete burning (carbon monoxide, carbon dioxide) are not the major concern in electronic cigarettes, but vapor does contain putative carcinogens ) and toxicological compounds. ...  Read More
by DAN Team
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Extended dive times at depth
June 13th, 2019
Using enriched air Nitrox (EAN) as a decompression gas starting on the deco stops will add oxygen to your decompression phase and speed up nitrogen elimination...  Read More
by DAN Team
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Crohn's disease and Diving
June 13th, 2019
Crohn's disease is an inflammatory bowel disease (IBD). It causes inflammation of your digestive tract, which can lead to abdominal pain, severe diarrhea, fatigue, weight loss and malnutrition...  Read More
by DAN Team
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Guidelines for Flying after diving
June 13th, 2019
As more divers fly with symptoms than develop symptoms during or after flight, flying with symptoms may be a greater health problem than symptoms that occur during or after flight. This is an educatio...  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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Diving with hypertrophic cardiomyopathy
May 25th, 2019
The location of your dive directly correlates to the amount and severity of risks you are taking if anything goes wrong....  Read More
by DAN Team

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 2021
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Aqua Pool Noodle ExercisesUnderwater Photographer and DAN Member Madelein Wolfaardt10 Simple Things You Can Do to Improve Your Underwater PhotographyCOVID-19 and Diving: March 2021 UpdateDiver Return After COVID-19 Infection (DRACO): A Longitudinal AssessmentGuidelines for Lifelong Medical Fitness to DiveExperienceFitness Myth or Fitness Fact?The Safety of Sports for Athletes With Implantable Cardioverter-DefibrillatorsCardiovascular Fitness and DivingHypertensionPatent Foramen Ovale (PFO)Headaches and DivingMiddle-Ear Barotrauma (MEBT)O’Neill Grading SystemMask Squeeze (Facial Barotrauma)Sinus BarotraumaInner-Ear Barotrauma (IEBT)Middle-Ear EqualisationAlternobaric VertigoDecompression IllnessOn-Site Neurological ExaminationTreating Decompression Sickness (The Bends)Top 5 Factors That Increase Your Risk of the BendsHow to Avoid Rapid Ascents and Arterial Gas EmbolismUnintended Rapid Ascent Due to Uncontrolled InflationUnexpected Weight LossFlying After DivingWisdom Tooth Extraction and DivingYour Lungs and DivingScuba Diving and DiabetesDiving after COVID-19: What We Know TodaySwimmer’s Ear (Otitis Externa)Motion SicknessFitness for DivingDiving After Bariatric SurgeryWhen to Consult a Health-Care Provider Before Engaging in Physical ActivitiesFinding Your FitnessHealth Concerns for Divers Over 50Risk Factors For Heart DiseaseJuggling Physical Exercise and DivingSeasickness Prevention and TreatmentMember to Member: Guidelines for SeniorsHigh-Pressure OphthalmologyOver-the-Counter Medications
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