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Timing Exercise & Diving
March 1st, 2016
I 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. Timing of Exercise and Diving
A... Read More
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Return to Diving After DCI
March 1st, 2016
I was recently treated for decompression illness (DCI) after two days of diving. On my last diving day, two of my dives went to 40-50 feet / 12-15 meters for no longer than 35 minutes each. Minimum s... Read More
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Breath-Hold Diving & Scuba
March 1st, 2016
I love diving and I also love snorkeling. I understand that breath-hold diving after scuba diving should be avoided. But I've read differing opinions about how much time must elapse after scuba divin... Read More
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DAN - MEDIA WATCH - RESPECT THE SEA
February 18th, 2016
The details of the report are posted here
(THE FOOTAGE IS QUITE GRAPHIC AND SENSITIVE VIEWERS ARE CAUTIONED) Some of us may remember the fatal attack on Monique Price on 24 June 1990 near Mosselbay.... Read More
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Lung Squeeze & DCI in Breath-Hold Diving
February 17th, 2016
Dr Danilo Cialoni is a medical doctor and champion Breath-hold diver. He is also a leading researcher in Breath-hold diving and Echocardiography.His work with the DAN Europe Foundation has played a s... Read More
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Coronary Artery Disease
February 5th, 2016
I'm getting older and am worried about a hardening of the arteries. Does this make diving dangerous? Coronary atherosclerosis is commonly described as ‘hardening of the arteries’. It's the result of... Read More
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Hypertension
February 5th, 2016
My doctor tells me I have hypertension. Is it a problem for me to continue diving? Hypertension, or high blood pressure, is one of the most common medical conditions seen in the diving population - ... Read More
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Implanted Internal Defibrillators
February 5th, 2016
I have recently had a defibrillator implanted by my doctor. After I recover, what are my chances of going back to diving? I am told that it works as a pacemaker too. These implantable devices have ... Read More
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Blood Thinners
February 5th, 2016
My doctor has started me on Warfarin (Coumadin). How will this affect my diving? A diver who has been prescribed an anticoagulant, e.g., Coumadin® or Warfarin®, should be warned of the potential for... Read More
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Diving After a Heart Attack
February 5th, 2016
I recently went on a dive trip to the Indian Ocean and was almost denied diving because I had a heart attack four years ago. They were not going to let me dive even though I was a DAN Member, and the... Read More
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Cholesterol Medications & Diving
February 5th, 2016
I'm a scuba instructor for several certifying agencies. In the last few years I've noticed more open-water and advanced students taking medication to lower their cholesterol. Are these medications sa... Read More
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Heart Valve Replacement
February 5th, 2016
I had a heart valve replacement when I was young. Can I learn to scuba dive? Doctors in the United States perform more than 70,000 heart valve replacements each year. From birth, an individual may h... Read More
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Murmurs
February 5th, 2016
I have a heart murmur, but I would like to learn to dive. I'm in good health. Am I at higher risk? A heart murmur is an extra sound that can be heard during chest examination with a stethoscope. The... Read More
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Decompression Recovery
February 1st, 2016
I received eight hyperbaric treatments for decompression sickness six weeks ago. I was in good physical shape, and I've never had a major injury before. I experienced numbness and tingling in my left... Read More
8
Massage & Diving
January 25th, 2016
I've been told not get a deep tissue massage the same day as diving because it can cause Decompression Sickness. Is this true? You raise an interesting question about the possible association betwee... Read More
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Inter-Island Flights
January 18th, 2016
While vacationing in St. Maarten, I plan to do a day trip to Saba, with the intention of doing 3 dives. I would fly out in the morning, returning in the evening. The first dive would be at 90 to 130 ... Read More
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Atrial Septal Defects
January 11th, 2016
What's an atrial septal defect and how does it affect diving? An atrial septal defect (ASD) results from the incomplete closing of the wall that separates the right and left atria (the two upper cha... Read More
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Patent Foramen Ovale
January 4th, 2016
How big of a problem is it to have a patent foramen ovale? The foramen ovale is an opening that exists between the right and left atria, the two upper chambers of the heart. During the fetal period... Read More
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Raynaud's Syndrome
December 28th, 2015
I've recently been diagnosed with Raynaud's Syndrome. I'm an avid diver. Can I continue diving? Raynaud's Syndrome decreases effective blood flow to the extremities, most significantly fingers and t... Read More
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Pacemakers & Diving
December 21st, 2015
Is it safe to begin scuba diving - or to continue to dive - after having a cardiac pacemaker implanted? In the past it was probably easier to take an overly-conservative approach and say unequivocal... Read More
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Mask Squeeze
December 14th, 2015
I am a recently-certified diver and have just completed my first offshore dive trip. I had what looked like a bright red patch of blood over the white of my eye when I looked in the rear-view mirror ... Read More
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Nosebleeds (Sinus Squeeze)
December 7th, 2015
I have noticed that beginning scuba divers frequently have nosebleeds. Could you please tell me what causes them? New divers often report nosebleeds after diving primarily because they are unaware o... Read More
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Ear Pain
December 3rd, 2015
My husband and I had just returned from a four-day dive trip. We had made four dives per day, all multilevel, in Saipan. After the second day of diving, my husband had problems clearing and complain... Read More
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Sharks Aquatic vs. Sparks Atmospheric
November 20th, 2015
Great!!!! We have just received a question from a DAN SA member about a comment in my lecture on Hazardous Marine Life Injuries (HMLI).By the way, you can click here for HMLI Part 1 and here for HML... Read More
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Terrific Freedive ModeKaboom!....The Big Oxygen Safety IssueScuba Nudi ClothingThe Benefits of Being BaldDive into Freedive InstructionCape Marine Research and Diver DevelopmentThe Inhaca Ocean Alliance.“LIGHTS, Film, Action!”Demo DiversSpecial Forces DiverWhat Dive Computers Don\'t Know | PART 2Toughing It Out Is Dangerous
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Mismatched Scuba Valves to Cylinder OutletsUnderwater Crime Scene InvestigatorsDive Boat Etiquette – From Yachts to rubber ducksTravel Smarter: Personal Safety While TravelingLiability in ContextLearning from Success. Learning from MistakeDive in the Fast Lane with DPVsKwaZulu Natal shipwrecks: The ProduceAvoid Diving With EarplugsThe Parting Shot