Quote:
Originally Posted by -_aj_- 
 i agree and little blurb to why
My uncle is a very quailfied diving instructor, he was also in the navy, he taught Prince Charles how to dive... he told us (me and my bros) go diving but dont be silly because of the streeses on the body as experienced as he was he was out diving with his team there was four of them they had to surface to quickly all four devolped the bends (the proper name escapes me) and he actually lost 2 of his team i wouldnt want to put my pets at that srt of danger but as Hope says i also do not think he is abusing the animals
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I don't know the proper name for "the bends" either, but I can explain what it is. At depth, air compresses and you breath more in each breath then you do on land. 73% (roughly) of air is nitrogen which is an inert gas that you body just off gasses through your blood on the surface. Oxygen is only 21% and the body does use it (which can cause other problems at depth). The problem with breathing at depth is that your body doesn't expel it at the same rate it does at the surface so it accumulates in your blood. Coming up from depth too fast can cause the nitrogen to form bubbles in your blood which can cause embulisums in your lungs, heart or brain. Hence death. That is the extreme example but animals can't tell you if their joints are hurting or if their chest feels tight or if they "just don't feel right" (first warning signs of the bends). I don't even know if they allow animals in a decompression chamber, which is the only thing that will help someone with an extreme case of the bends.
Also, one thing I need to point out. The dog is NOT scuba certified. He has been certified in "OpenWater1", which means he was able to be lead around underwater and didn't die. He finished one of 8 water modules needed to be fully certified (I am certified PADI, not NAUI but I think the courses are very similar).
Dogs and cats aren't physicalogy meant to be underwater. Neither are humans. But humans are capable to understand what they are doing. Those animals aren't, and have no understanding of the risks.
I don't think he is abusing his animals purposely. But, I do think there are potential risks that he has no clue about...no one does because as far as I know there isn't a vet that specializes in animal scuba diving.
(BTW...I would LOVE to meet your uncle! Bet he has some stories to tell!)