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Posts with the category “dive-fitness”

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Juggling Physical Exercise and Diving
April 16th, 2021
If you want to dive, you need to be ready. Readiness entails medical, psychological and physical fitness, appropriate knowledge and adequate physical skills. If you exercise regularly at an intensity ...  Read More
by DAN Team
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Risk Factors For Heart Disease
April 16th, 2021
Heart health is essential to the safety of all divers, symptoms of heart conditions are often subtle or easily missed. In some cases, the first indication of a serious cardiac problem may be a heart a...  Read More
by DAN Team
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Health Concerns for Divers Over 50
April 16th, 2021
Getting older doesn’t have to mean give up on diving, but divers over 50 should be aware of common medical issues that may interfere with safe diving. Heart disease, respiratory disease and musculoske...  Read More
by DAN Team
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When to Consult a Health-Care Provider Before Engaging in Physical Activities
April 16th, 2021
Date: 15 December 2013 | Author Petar Denoble MD, DSc. Physical activity (PA) is beneficial for health, but the transition from a sedentary lifestyle to PA or a change in the level of habitual PA may ...  Read More
by DAN Team
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Diving After Bariatric Surgery
April 16th, 2021
I’m an instructor, and I have a student who completed his pool sessions, but he had gastric bypass surgery before he could do his open-water dives. Before I allow him to continue with his training, I’...  Read More
by DAN Team
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Fitness for Diving
April 16th, 2021
There are moments when scuba diving feels effortless: drifting over a shallow reef or descending through clear water toward a sandy bottom. But diving can also be strenuous — when swimming against a c...  Read More
by DAN Team
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Motion Sickness
April 15th, 2021
Motion sickness, or seasickness, ruins diving trips, vacations and travel for many. Everyone is susceptible; it can happen to anyone if the circumstances are right. A lot is known about motion sicknes...  Read More
by DAN Team
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Swimmer’s Ear (Otitis Externa)
April 15th, 2021
Swimmer’s ear (otitis externa) is a condition caused by inflammation or infection of the outer ear canal. In a diving environment, this is usually caused when prolonged exposure to wet conditions chan...  Read More
by DAN Team
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Diving after COVID-19: What We Know Today
April 15th, 2021
COVID-19 symptoms range from mild to severe. Some people have no symptoms at all while others require complicated stays in ICUs with ventilatory support to recover. In addition to the impact of the pr...  Read More
by DAN Team
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Scuba Diving and Diabetes
April 15th, 2021
For many years the medical community discouraged people with diabetes from scuba diving. A Divers Alert Network® (DAN®) survey in 1996, however, revealed that nearly 200 of its members were divers wit...  Read More
by DAN Team
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Your Lungs and Diving
April 15th, 2021
Date: 1 May 2017 | Author:By Jack Meintjes, MBChB, DOM, FCPHM(SA) Occ Med, MMed Diving imposes significant challenges to the respiratory system. Lung conditions are among the most common reasons peopl...  Read More
by DAN Team
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Wisdom Tooth Extraction and Diving
April 15th, 2021
Wisdom teeth are permanent molars that usually emerge during the late teens or early twenties. It’s not uncommon for these teeth to be associated with pain or complications. Dentists often recommend h...  Read More
by DAN Team
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Flying After Diving
April 15th, 2021
When flying after diving, the ascent to altitude increases the risk of decompression sickness (DCS) because of the additional reduction in atmospheric pressure. The higher the altitude, the greater th...  Read More
by DAN Team
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Unexpected Weight Loss
April 15th, 2021
A dropped weight belt caused a runaway ascentReported StoryTowards the end of the dive, at about 6 m (20 ft) depth, my weight belt fell off (the buckle came loose from the strap). I exhaled and dumped...  Read More
by DAN Team
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Unintended Rapid Ascent Due to Uncontrolled Inflation
April 15th, 2021
A runaway ascent ends the diving on a liveaboard holidayReported StoryDiving from a liveaboard near a remote island in South America, I was hanging out on a coral ledge at 93 fsw (28 msw) watching Ham...  Read More
by DAN Team
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How to Avoid Rapid Ascents and Arterial Gas Embolism
April 15th, 2021
Decompression illness (DCI) is a term used to describe two conditions: decompression sickness (DCS) and arterial gas embolism (AGE). AGE is one of the most serious medical emergencies a diver may expe...  Read More
by DAN Team
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Top 5 Factors That Increase Your Risk of the Bends
April 15th, 2021
The Bends, also known as decompression sickness (DCS) occurs when nitrogen bubbles form in the blood, often causing severe joint pain. The common name “The Bends” comes from an affected person doublin...  Read More
by DAN Team
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Treating Decompression Sickness (The Bends)
April 15th, 2021
Decompression sickness (DCS) is one of the most common problems reported to Divers Alert Network® (DAN®). Although scuba diving accidents are rare, it’s important to know how to handle suspected cases...  Read More
by DAN Team
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On-Site Neurological Examination
April 15th, 2021
Information regarding an injured diver’s neurological status will be useful to medical personnel not only for deciding the initial course of treatment but also in the effectiveness of treatment. Exami...  Read More
by DAN Team
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Decompression Illness
April 15th, 2021
Author: Ed Thalmann, M.D. Decompression illness, or DCI, is associated with a reduction in the ambient pressure surrounding the body. DCI encompasses two diseases, decompression sickness (DCS) and art...  Read More
by DAN Team
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Alternobaric Vertigo
April 15th, 2021
Alternobaric vertigo occurs during descent, ascent or immediately after surfacing from a dive and is caused by unequal pressure stimulation in each ear.Mechanisms of InjuryDuring an ascent, the air in...  Read More
by DAN Team
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Middle-Ear Equalisation
April 15th, 2021
Middle-ear equalisation is a basic, essential diver skill that equalises the pressure in the sinuses and middle-ear spaces with the ambient pressure. To be a safe diver and avoid middle-ear injuries, ...  Read More
by DAN Team
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Inner-Ear Barotrauma (IEBT)
April 15th, 2021
Inner-ear barotrauma is damage to the inner ear due to pressure differences, usually caused by incomplete or forceful equalisation. A leak of inner-ear fluid (perilymph fistula) may or may not occur. ...  Read More
by DAN Team
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Sinus Barotrauma
April 15th, 2021
Sinus barotraumas are among the most common diving injuries. When the paranasal sinuses fail to equalise to barometric changes during vertical travel, damage to the sinus can cause sharp facial pain w...  Read More
by DAN Team
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Mask Squeeze (Facial Barotrauma)
April 15th, 2021
OverviewMask squeeze (mask barotrauma or facial barotrauma) results from a failure to equalise the air space created between your mask and face. In most cases this is a relatively benign injury. It te...  Read More
by DAN Team
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O’Neill Grading System
April 15th, 2021
The O’Neill grading system is a way to categorise the severity of middle-ear barotrauma (MEBT). It is simple and is intended to provide consistency in diagnosis with sufficient details to direct treat...  Read More
by DAN Team
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Middle-Ear Barotrauma (MEBT)
April 15th, 2021
Middle-ear barotrauma (ear squeeze) is the most common dive injury. It occurs when pressure in the air space of the middle ear is not equalised to the ambient pressure. It can cause a ruptured eardrum...  Read More
by DAN Team
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Headaches and Diving
April 15th, 2021
Many divers have experienced a headache after a dive with it eventually clearing and no lasting side effects. But when headaches are a recurring issue for divers, that’s when it becomes concerning. To...  Read More
by DAN Team
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Patent Foramen Ovale (PFO)
April 15th, 2021
Patent foramen ovale (PFO) is a common congenital heart defect. It is a hole between the right and left sides of the heart. The foramen ovale is the wall separating the atria. Prior to birth, the fora...  Read More
by DAN Team
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Hypertension
April 15th, 2021
Hypertension (high blood pressure) is a common medical condition among the general population and divers.Blood pressure is a measure of the force with which blood pushes outward on the arterial walls....  Read More
by DAN Team
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Cardiovascular Fitness and Diving
April 15th, 2021
Scuba diving exposes you to many effects, including immersion, cold, hyperbaric gases, elevated breathing pressure, exercise and stress, as well as a post-dive risk of gas bubbles circulating in your ...  Read More
by DAN Team
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The Safety of Sports for Athletes With Implantable Cardioverter-Defibrillators
April 15th, 2021
Date: 11 December 2013 | Author: Petar Denoble, MD, D.Sc. Current recommendations for patients with implantable cardioverter-defibrillators (ICDs) advise against participating in sport that are more v...  Read More
by DAN Team
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Aqua Pool Noodle Exercises
April 1st, 2021
Exercising in water can be a great way to mix up your routine. The water supports your body and ensures low impact despite intense exercise. The effects of gravity are less profound in the water, so y...  Read More
by DAN Team
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Talya Davidoff: the 'Plattelandse Meisie' Freediver
October 23rd, 2020
Her advice to divers to improve their breath hold and depth her is simple. Have the right coach and have the right safety measures in place. “I have learnt that I will not push my limits unless I tru...  Read More
by DAN Team
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Step Exercises with Cardio
October 18th, 2020
Considered a form of preventative medicine by the American College of Sports Medicine, exercise has a wide range of positive physical, mental and cognitive benefits. This timed program is designed to ...  Read More
by DAN Team
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Timing Exercise
August 6th, 2020
By Dr. Neal Pollock Ph.D.QuestionI regularly exercise and want to continue my routine on my vacation. I am worried about diving and exercise. Is there any information that can help me plan for both?An...  Read More
by DAN Team
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The New Pointy end of Diving
May 11th, 2020
Freediving is now the fastest growing segment of diving and is attracting a new audience of people who love the water and are into fitness, self-improvement and mind-body awareness — in addition to th...  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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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 perform a Deep Diver Rescue
February 18th, 2020
If an airway is not available, mouth-to-snorkel rescue breathing should be done. It will be easier to do than mouth-to-mouth rescue breathing in a choppy sea. Position yourself behind the diver. Ensur...  Read More
by DAN Team

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