SCUBA Diving-AAS-Nitrogen Retention-Deca-First cycle

mercredi 10 septembre 2014

Hello Guys,

Please I would like reply only from knowledgeable members.

I need a little explanation about Nitrogen retention caused by Deca. I still planning my firs cycle and Test-e with Deca is a good option, however I read about nitrogen retention and I need to understand it before I decide. As a SCUBA diver nitrogen retention could be a big issue for me.

Those, who’s not familiar with SCUBA diving. I am going to write down the issue with nitrogen briefly.

Divers breathe either compressed air or enriched air. Compressed air, actually 21% oxygen and 98% nitrogen. Enriched air is depends on the specific mixture, but the amount of nitrogen can be reduced for safety. I licensed up to 40% oxygen.

When divers breathe under pressure, more nitrogen from air goes into solution in body tissues through blood, actually nitrogen gas is physiologically inert and is therefore a concern.

Different tissues absorb or release nitrogen at different rates. Given enough time at depth, the body saturates by reaching equilibrium, meaning it has absorbed all the nitrogen possible at that pressure.

Luckily all this including ascent rate, surface time calculated by computers based on decompression models, but those models based on resources with humans not on AAS and off course no nitrogen retention involved.

OK, upon ascent the nitrogen pressure is higher than surrounding pressure. With higher tissue pressure, nitrogen pressure in blood exceeds pressure in alveolar air. Nitrogen dissolves from blood and exhaled. Therefore blood tissue pressure lovers, so nitrogen dissolves from tissues in to blood.

So, if the difference between surrounding pressure and tissue pressure is within limits, the nitrogen dissolves harmlessly out of the body.



Here is the risky bit.

Some nitrogen dissolves into microscopic gas pockets in the body and from tiny bubbles that are trapped by the pulmonary capillaries in the lungs. These than diffuse harmlessly into alveolar air, but if tissue pressure exceeds surrounding pressure excessively, nitrogen comes out of solution faster than the body can eliminate it harmlessly. Small bubbles become large bubbles. Large bubbles can cause decompression sickness, lung over expansion.



Ok that was the info from my side. All this based on people not on AAS and no nitrogen retention involved. I have no idea how should I plan my dives including safety stops surface time and ascent rates? Is it possible to know a percentage rate of nitrogen retention compering a person not on AAS with a person on AAS. It is depends on person to person? Should I forget Deca and Diving and do test-e only?

My cycle would be

Week 1-14 3x250mg/week Test-e

Week 1-12 4x100mg/week Deca

Week 1-16 2x250iu/week HCG

Week 1-16 7x20mg/week Nolva

PCT start on week 18 and have not planned yet.

Also thinking an incrementing clen cycle, but not sure at what stage to start.



I would be happy to receive feedback about my cycle too, but the biggest concern is the nitrogen retention.





SCUBA Diving-AAS-Nitrogen Retention-Deca-First cycle

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