Alert Diver Category: Expert Opinions

As marijuana legalization increases throughout the United States, it is important to see how marijuana use could potentially impact a diver’s abilities.

Dysbaric osteonecrosis (DON) is the destruction of bone tissue in the long bones, hips and shoulders associated with diving and compressed-air work. Generally considered to be the result of circulation disruption, osteonecrosis can occur without exposure to pressure changes. Learn more.

CPR is a vital tool in saving a life, but the guidelines change about every five years. DAN experts discuss the changing CPR requirements and techniques. Learn more about how to perform life-saving CPR.

In-water recompression (IWR) is being used to great success with fishing divers and pearl divers, but could apply to recreational divers, too, as a way to quickly treat decompression sickness. Learn more about this course of treatment.

A culture of safety in diving is incredibly important as it keeps incidents and accidents down, and fosters a learning culture. Read more about the importance of putting safety first, and how it could change the industry and sport.

Breath-hold diving after scuba diving may lead to decompression sickness in extreme breath-hold diving. Read more about this link with breath-hold diving.

Even well-experienced divers are still subject to risk, as many incidents are caused by them going beyond their experiences and training. Read more from our experts on the measurement of experience.

Hyperbaric chambers are often the definitive treatment for decompression illness. There are also several different types of chambers, not all are suitable for treating decompression illness. Read more about hyperbaric chambers, treatments and availability.

What are the real concerns with children and diving? Our experts discuss this often controversial topic to find out how well children can handle the pressure.

Immersion pulmonary edema (IPE) is observed in swimmers and divers with no apparent underlying medical condition. Pulmonary edema is an abnormal leakage of fluid from the bloodstream into the alveoli. Our experts answer your IPE questions.