MCAS and DCS Risk
I have been diagnosed with mast cell activation syndrome (MCAS). Will that increase my risk of decompression sickness (DCS) if I dive? With MCAS, mast cells release excessive amounts of […]
I have been diagnosed with mast cell activation syndrome (MCAS). Will that increase my risk of decompression sickness (DCS) if I dive? With MCAS, mast cells release excessive amounts of […]
DAN® medical information specialists and researchers answer your dive medicine questions.
Q: I was recently diagnosed with type 1 diabetes and will now require insulin. Will I be able to dive again?
DAN medical information specialists and researchers answer your questions about dive medicine.
Is breast pain a symptom of DCS?
Reduced exercise tolerance is common for those with chronic obstructive pulmonary disease and poses risks for diving. There can be strenuous activity involved with managing currents, swimming on the surface in choppy seas or pulling yourself and your heavy gear up a ladder and onto an unsteady boat. With COPD, shortness of breath during exertion doesn’t mean you are out of shape; it means you cannot rid your body of carbon dioxide and replace it with the oxygen needed to meet the demand of your exertion.
Urinating in a wetsuit is common for many recreational divers and is generally not harmful when exposure is limited. Immersion in water, especially cold water, triggers immersion diuresis, which shifts blood into the central circulation and increases urine production. Most divers feel that urge within minutes of entering the water.
Q: During dive training in the pool, I couldn’t breathe after clearing my mask with my regulator in my mouth. After surfacing, I took six to eight wheezing breaths and then could breathe normally again. It’s possible I inhaled water during the exercise, but my instructor and I could not recall when or how that would have […]
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 surgery may affect my diving. Am I still able to dive? Should I limit myself to a certain depth, or should I only snorkel? While […]