Diving After Brain Surgery

I RECENTLY UNDERWENT BRAIN SURGERY. The surgery was successful, but now part of my skull has been replaced with mesh. My neurosurgeon is brilliant but does not know how the […]

Sherri Ferguson

SHERRI FERGUSON, MSC, IS THE LAB MANAGER at Simon Fraser University’s hyperbaric chamber, located at an altitude of 1,200 feet (366 meters) on Burnaby Mountain in the outskirts of Vancouver, […]

Alert Diver Q3 2022 Researcher Profile

Emergency Oxygen

IT WAS A BEAUTIFUL, WARM SATURDAY IN THE PACIFIC NORTHWEST. We were conducting two checkout dives for an advanced open-water course at a popular dive site in Puget Sound. I […]

emergency oxygen DAN first aid courses 3.0

Teaching Rescue: Am I Qualified?

WHEN ASKED TO DESCRIBE THEIR FAVORITE COURSE, many divers will discuss the challenges and triumphs they experienced during their rescue class. Instructors often describe rescue as the most rewarding course […]

dive rescue course at DAN

Trouble in Galápagos

DAN EMERGENCY SERVICES RECEIVED A CALL via satellite phone from a liveaboard anchored off a remote island in the Galápagos. A DAN member was concerned about their bunkmate exhibiting symptoms […]

Oxygen Cleaning of Dive Gear: A Two-Part Series

IN THE PREVIOUS ARTICLE, we settled on the recommendation that equipment used to control any breathing gas mix containing 25 percent oxygen and above at typical scuba cylinder pressures should […]

Popping the Question: What is a DSMB?

SURFACE MARKER BUOYS (SMBS) AND DELAYED SURFACE MARKER BUOYS (DSMBS) are common and essential safety devices. These brightly colored, inflatable tubes, sometimes called safety sausages, are critical pieces of equipment […]

Alert Diver Q3 Dive Gear

The Maldives

WHILE THE WORLD WAS STILL MOSTLY LOCKED DOWN with travel restrictions, my social media feed was alive with gorgeous photos from the Maldives. The Maldives opened sooner than most foreign dive destinations, so there was ample photographic inspiration …

Alert Diver magazine Q3 2022 Diving in the Maldives with manta rays.

Diving With My Dad

I WAS 13 YEARS OLD THE FIRST TIME I WENT SCUBA DIVING. My family was on a trip to Cancun, and my dad took me and my sister, Carrie, who […]

Saba

Embark on a journey with Dive Saba to experience an incredibly varied seascape, perfect for diving enthusiasts and explorers alike.