DAN Medics answer your questions about dive medicine.
Small, easy-to-ignore symptoms are often the first signs of decompression sickness. Read more about one diver’s incident.
In a rush to enter the water, a diver did not check the tank valve, leaving them in a dangerous spot. Read more about the incident.
Underwater cinematographer Howard Hall had humble beginnings and is now known for his spectacular underwater IMAX movies. Read more about Howard Hall and his career.
High dynamic range (HDR) is a clever digital process that will allow you to generate exceptional detail in still photos by combining the best elements from multiple shots into a single image. Read more about this practice.
Garbage, especially plastics, can be found all over the world in all kinds of bodies of water. Read more about what is being done and what divers can do help clean it all up.
What do you do when your dive computer fails? With the right backup instruments and techniques, you can keep diving safely. Learn more.
Three accomplished dive photographers share how they’ve pushed the envelop in underwater photography. You can glean their tricks and secrets.
Vital signs can be helpful even to first aid providers with limited medical training. Sets of vitals that are outside normal ranges typically indicate the need for some treatment.
If divers test positive for patent foramen ovale (PFO), they may choose to stop diving or take steps to mitigate future risks. A five-year DAN study analyzed those who underwent a closure procedure and those who did not.