Tingles all over body after 1st lesson

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i also felt that way and have felt it a few times in ow you are simply anxious. It will pass with exp. once you are completly comfortable in your skills and able to put the "what if's"out of your mind. or at least that has been my exp.
 
Sounds to me like you're not inhaling and exhaling deeply enough, which would only be compounded during a skill test involving regulator retrieval . Short shallow breathes cause an excess of CO2 that, with enough buildup, can cause shallow water blackouts. Do you feel comfortable in the water? Were you stressed out by the skill test? Was the regulator not breathing easily enough for you? Next time remember to take longer inhales and exhales to see if that sorts out the problem.
 
TSandM, and medimods . . .

Could a compromised cervical disk, being pressured from being in the 'head up/back' position, have caused this?

I can vouch for mine causing such sensations in my fingertips and arms. All over the body, no.

Perhaps hyperventilation?
 
To get tingles all over, you'd need a significant cervical canal stenosis. People do have them -- one of our former board members walked under a ladder and hit his forehead, and ended up with a temporary, mild quadriplegia (he subsequently had surgery to correct this). But if someone had a stenosis so bad that simply holding their head back made them have total body paresthesias, I would think they would have noticed problems with looking up at anything on land.
 
I have no idea what became of the OP, but diagnosing an issue that was likely nothing from 2 months ago is pointless. There are some things that do not lend to online discussion, and medical diagnosis by non-doctors is one of them.
 

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