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If you notice health changes during or soon after a dive, you should assume that it is related to diving. The most likely culprit is decompression illness (DCI), the likelihood of which increases with the severity of the dive. If DCI is suspected, you should receive first aid surface oxygen and a proper medical evaluation. Even if your condition is not DCI, first aid oxygen may still help and will not worsen your condition.
Flying and encircling birds often act as beacons to what underwater predators and creatures could be below. Learn a geographic location’s bird species to gain a better understanding of a locale’s marine life.
This issue of Alert Diver marks the 10-year anniversary of the Winter 2009 redesign of the magazine as a coffee-table quarterly. The new Alert Diver also celebrates the scuba lifestyle with articles about dive travel, underwater photography, ecology and marine biological science. The magazine is also available as a free download for both Apple and Android devices via the Alert Diver app and as an online flipbook.
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Teaching someone to dive doesn’t happen without risk. If an incident or accident occurs, students may find themselves footing expensive medical bills for which traditional health insurance provides minimal or no coverage. DAN Student Medical Expense Coverage is dive accident insurance designed specifically for new divers in training that DAN fully subsidizes, so there is no cost to students or their instructors.
The sensations started in the left foot but symptoms spread and worsened. Although in a remote location, one diver shares their story of emergency evacuation and treatments through DAN.
Divers who are new to drysuits need to take time to get comfortable with their gear in a safe environment. Accidents are unintentional and unplanned, but proper diligence can help increase the likelihood of a safe and successful dive.
Do you know free-flow procedures should an emergency situation arise? A diver calmly provided assistance to a diver who may have suffered a arterial gas embolism.
Combat divers must successfully navigate in cold, dark water to secretly arrive at a target. This skill requires progressing from basic dive skills to navigating over long distances in difficult conditions.
While there are not sufficient studies on diving while under the influence of cannabis, the psychoactive effects of THC from using cannabis or impure CBD oil can affect your performance and increase your risk while underwater.
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