Some really good advice here for you. I would echo the "get a computer and learn to use it" and "dive shallow" advice. Also the slow ascents (steel tanks could help you out here...) Apply KISS principles as you get back into the water to avoid task overloading. That would include skipping the spare air thing. You didn't run out of air the last time so more air isn't going to do you any good, unless you happen to be in deco, which you said you don't think you were. BTW, you CAN get bent without having been in deco...the risk increases with other conditions (such as being dehydrated, obese, being cold, stronger physical exertion, age, gender etc. etc.). I always try and stop for 3 minutes at half my maximum depth in addition to my safety stop. That is an easy thing that doesn't require any extra equipment or training.
Bonaire might be a good location to try...good shallow shore diving and I am sure a pretty good medical infrastructure for divers. But if you do decide to hit Cozumel, a consult with Dr. Piccolo might be worthwhile. He is a really good guy and knows a ton about dive medicine etc. In addition to being a GP (mine, here on the island) he operates one of the recompression chambers.
Bonaire might be a good location to try...good shallow shore diving and I am sure a pretty good medical infrastructure for divers. But if you do decide to hit Cozumel, a consult with Dr. Piccolo might be worthwhile. He is a really good guy and knows a ton about dive medicine etc. In addition to being a GP (mine, here on the island) he operates one of the recompression chambers.
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