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The lady who had the accident in Catalina on Monday was my fiancée, she is a dive master candidate and was diving with my 16 year old son who was doing his fourth dive for his advanced open water certification. I, also a dive master candidate was diving with my 12 year old daughter who was also doing her fourth dive for her Jr advanced open water.
Denise and my son we doing a photo dive and lost track of their position because of the heavy underwater growth in the dive park. When Denise discovered she was running low on air they made a controlled accent from 35 feet. Upon surfacing she had trouble inflating her BC. I suspect her upper dump valve pull line might have been caught under her BC strap. Since she was low on air she started using my sons octo while he helped support her and signaled for help. They then had trouble dropping her weights since her release buckles are not the best design when wearing heavy gloves.
When the dive instructor mentioned in this post arrived to help she had just lost conciseness. We still dont know the cause, but a review of both computer logs doesnt seem to indicate DCI. It could have been a heart attack, stroke, or possibly even drowning.
She is currently at UCLA medical center in intensive care. They have taken brain protective measures (cooling and chemically induced coma). We are not sure of the extent of the damage yet but are hopeful. If not for the quick action of the first instructor to respond, and the heroic action of our dive instructor who provided aggressive CPR until paramedics arrived she would not have had a chance.
Please give your prayers to Denise and your thanks to the dive professionals who came to her aid. My son and daughter are fine but extremely distraught.
I have made this a critical part of my buddy-check ritual. Once he/she has donned his/her gear, I inspect each pull-dump on my buddy's rig and verify that it is not caught underneath the shoulder strap or otherwise trapped/unintentionally activated. This occurs commonly in novice divers, but I have seen it happen to very experienced divers, too. The right shoulder pull-dump is the one to look out for.I also had a pull-valve that got twisted and stuck open under the front strap. I couldn't tell exactly what was going on, but I knew my BC was not holding air. Luckily, I noticed this at the beginning of the dive and managed to make it to the back of the boat where the problem was resolved and then I resumed my dive. I didn't have to dump my weights, but I was ready to if needed. I did have to do some kicking though.