I had residual nerve and tissue damage - I still do. Hence the long recovery time. It took about 6 months to get full sensation back in my leg and a year before the joint damage healed. (I was misdiagnosed with ligament strain at first so sat around with with some bubbles in my knee joint for rather too long which meant it damaged the tissues, had I been treated quicker, there would not have been such residual damage)
I can now only scuba dive on nitrox, and keep shallow and sensible.
Freediving - well I just try and keep reasonable surface intervals (at least 5 mins) and drink loads. Occasionally I get minor symptoms - mainly tingles, extreme fatigue or a strange kind of brain drain that I now believe is DCS - and if so I drink loads of water, sleep and sometimes hit the oxygen. They go away pretty quick with lots of water
Sam
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