For three decades the researchers at DAN have monitored, tracked and analyzed diving incidents and fatalities worldwide. One of the best sources of this incident data is you, the diver. When you self-report an injury or incident that you experienced or witnessed via the DAN Incident Reporting System, you offer a valuable look at real world diving incidents and injuries.
IPE is the abnormal leakage of fluid from the bloodstream into the alveoli, the microscopic air sacs in the lungs. Symptoms include shortness of breath, coughing up bloody sputum, and respiratory distress. Leakage into the alveoli results in fluid buildup in the lungs, and interrupts gas exchange, similar to drowning. It is important to note that fluid resulting from IPE comes from within the body, rather than from inhalation of surrounding water.
However you define your expedition it is important to recognize that once you begin planning it you have crossed out of the realm of normal recreational or technical and entered a world that requires serious oversight, preparation, and risk mitigation. Expedition diving does not have to be technical or extreme – a recreational diving trip to a destination like Truk Lagoon could put you hours or days away from the nearest medical help and require expedition level preparations for medical treatment and evacuation.
Modern discussion has led to a wide variety of recommendations on the topic from a number of sources, leading to some confusion. While some agencies and physicians recommend diving conservatively with a known PFO, others recommend surgical closure, and still others advise that there may not be a benefit to closure and that divers should just be aware of their condition.
Technical diving, and technical mixed-gas diving in particular, presents divers with increased risks and a unique set of hazards. Mixed-gas divers need to manage complex equipment, multiple breathing gases, and mitigate their risk of narcosis and the hazards caused by increased gas density by replacing some, or all, of the nitrogen in their breathing gas with helium. This use of high-content helium gases requires special considerations for gas switching and an adjustment of ascent rates and decompression time, and it can pose additional risks.
In isolated locations without the industry or population required to support medical facilities equipped to deal with dive related emergencies, in-water recompression (IWR) becomes an attractive prospect for dealing with decompression sickness, and a hotly debated issue.
Stingrays are frequently considered dangerous or threatening but largely without cause. These are shy fish that generally present no threat to divers unless stepped on or deliberately antagonized. Most stingray injuries occur in shallow water when beachgoers step on the animals. Stingrays can vary in size from just a few inches to more than six feet wide and have a serrated barb at the end of their tails that can cause serious injuries. At the base of the barb are two venomous glands that can cause infections and exacerbate an initial penetrating wound.
Today, the wreck of the Italian Regia Marina submarine Scirè lies at a depth of 33m in Haifa Bay and four IANTD expeditions were necessary to survey the wreck, collect measurements for a 3D reconstruction and accomplish historical, cultural and scientific research.
“At the present moment in time, we cannot reliably gauge whether a trade fair can be implemented in January 2021. This is due to current infection rates, ongoing travel restrictions and existing legal provisions which do not permit trade fairs to be held currently. In consultation with our boot advisory board and the associations we have selected the new dates in April with caution," Messe Düsseldorf’s CEO Wolfram Diener writes in a press release.
From October to November of 2020, the Japan National Tourism Organization (JNTO) held its second annual Japan Underwater Photo Contest, seeking photos taken by divers that showcase the undiscovered beauty and artistry of diving in Japan to the world.
Research jointly conducted by The Swire Institute of Marine Science (SWIMS), Faculty of Science, The University of Hong Kong (HKU), and The Nature Conservancy (TNC) emphasises the importance of oyster reefs in mitigating some problems associated with coastal development, like storm-surge damage and biodiversity loss.
Fakarava is an atoll in the Tuamotu archipelago located about 440km northeast of Tahiti in French Polynesia. Pierre Constant takes us on a journey to the pristine lagoons of Tuamotu and describes what awaits adventurous divers in its underwater realm.
