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Please note: The last reply in this thread was more than 2 month(s) ago.
This is the second time this has happened to me in as many years. I got bends symptoms (aka Decompression Sickness – DCS) but didn’t really have DCS. I’ve been diving steadily for the last seven years and have logged over 135 dives. I’m 59 and in very good health.
I don't think anybody has mentioned this, but 91' for 25 minutes is past the edge of the no-deco limit on the SSI Air Tables.
Besides getting checked for a PFO, which you said you did, you might want to consider diving well within the table limits and using Nitrox.
The very same dive on EAN36 would have had an NDL of 40 minutes, not 20 minutes, and put you in the middle of the table.
Terry
Last edited by Web Monkey; May 15th, 2008 at 11:21 PM.
Terry,
91' was my max depth which I was at for less than a minute. Most of my bottom time was between 77' and 83'. At 80' for 25 min the SSI Air Tables show that I would be at group F when I surfaced. My surface interval would have brought me down to group E with a residual nitrogen time (RNT) of 26 min. My second dive at 70' for 25 min plus the 26 min of RNT would have put me just beyond the no-deco limit of group J. If I go to the Navy tables for 70' max depth (http://www.ndc.noaa.gov/graphics/USNDeco40_70.jpg) I would have needed 8 min at 10' of deco time whereas I had 5 min at 15'.
I agree with you that I uncontiously pushed the no-deco limits and would have been better off using Nitrox. I've signed up for a Nitrox class and plan to be more conservative in my dive planning. Thanks.
__________________
Best know shark repellent: Play a banjo underwater.
...I agree ... that I ... pushed the no-deco limits and would have been better off using Nitrox. I've signed up for a Nitrox class and plan to be more conservative in my dive planning...
As Capt. Jack Sparrow (played by Johnny Depp) in Prates of the Caribbean 1, 2, and 3 would say: "Oh good, no worries then!"
Hi, my name is Leila and I got badly bent about 3 years ago. I started a group to find out more about decompression sickness. Luckily I am mostly better and have been diving again for the last 1 1/2 years with few problems.
Recently in thailand diving multiple times a day for several days on air, I had some minor problems which resolved themselves but which sound similiar to yours. I was advised that although a PFO didn't cause me to get the bends, it likely was causing the other problems. They were, reddish skin, puffing and symptoms of a migrain (fairy dust) without really much of a head ache. I also learned that if you clear your ears by holding your nose and breathing to equalize your ears, it causes more bubbles to flow between the 2 sides if your hole is smallish and closed most of the time. I do this a lot.
So, I'll probably get checked out soon.
(there are a lot of good links and although you must register to post, you can access everything without registering. In the uploaded files section is a great presentation about DCS uploaded by a member.)
If your problems of getting rashes and tingling sensations continue to occur, I strongly recommend you are tested to see if you are allergic to neoprene, my father is and didn't know until recently... He always broke out in rashes after every day of diving we made...Good luck mate.
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