A few months ago I presented the self-assessment test for nitrogen narcosis:https://scuba-people.com/profiles/blog/list?q=narcose here today is an interesting report with the famous: “anyway, I never narcosis”
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Michel, 44 years old diver in good condition and largely capable of deep diving according to him, and who is “never narcotic”
(always according to his words)
Diving: 40 m, in the air, in Lake Geneva, temperature 8 ° C waterproof wetsuit
- Labyrinth tests: The goal of this test is to complete the course of 3 labyrinths as quickly as possible.
Results: 30% increase compared to the surface (3 meters)
- Point tests: The goal here is to point the center of geometric figures, this as centrally as possible in a minimum of time.
Results: a slight pointing offset no time difference.
–Multiplication tests: The goal is to achieve fairly simple multiplications (with restraint) in a minimum of time.
Results: 3 errors and 50% more time
- Number ordination tests: The purpose of this test is to replace a series of digits in ascending order, some of these digits being duplicated, and some not existing.
Results: carried out in less time than on the surface, simply Michel has succeeded in an exploit his result: “0.1.2.3.4.5.6.7.8.9” there is like a small problem !!!
Results interpretation: the diver should have ascended as quickly as possible, depending on the scale of narcosis associated with the kit. he was clearly in danger.
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8 comments
So we imagine at 60m in the air …… LOL
meditate, but not too long because the stages may be long!
yeah this test! note I drank a tonic gin it's the same !!!!!
be serious!!!! all those who have known the neurosis of the depths know it. We become very stupid we no longer understand our computer. We laugh when we have to cry and instead of giving air to our comrade in difficulty we give him an arm of honor! There is an easy test to do you go down fast to 40 you go up fast and you're fast to 40 preferably upside down! when you lift your head you have an IQ of 4 and again!
Do not do without assistance of course
I like this test because narcosis, although it is in principle temporary as soon as we go up, can be quite dangerous, but the causes are many and varied. The lack of vision, the form, the current, the lack of training, the stress.
the test described above has the merit of making you feel the impact on your intelect!
it should be mandatory at 3 *
I really can't wait to meet this Mr Gérard… we should get along well LOL
@ Franck what relationship with the upside down?
For once it is a gentleman with a capital M! A character like there is no longer.
Let's get serious again, narcosis exists and it is normal and demonstrated.
I learned very quickly during my first dives at GERS in 1955 when my instructor, who became my friend, the mate maurice Piovano took me to dive on the Artesien. There was 56 M and he gave me the whole program
- At 45 M you feel good
- At 50 M you will see you feel better but a little weird, and also more sure of yourself
- At 55 M it's cold and above all you will hear your regulator whistling (A CG 45)
And there he added seriously, you pay attention because that's narcosis
Subsequently he took me to 70/80 M to retrieve exercise torpedoes that had not come up to the surface. As I was warned, it went well, but we really felt “ensconced mortal” as they say in Provence.
We did the job anyway, very calm, breathing gently (a steel sort 150 Kgs and always CG 45) we pulled the big chain and ammarait the torpedo
Slowly ascent, quiet landings, refrigerated in our foam rubber or Mutta di Gomma garments, out of the water, blow of tafia!
There is also always the box next door with Dr. Cabarrou
Despite all this at GERS, no accident, except those of others ...
I like your summary, which indeed expresses the effects of narcosis and its first symptoms.
the depths vary from day to day, of course, but I like it 🙂
Some of your explanations clearly express why, 20% of users do the test faster at depth (at 40m in particular) than at the surface (stimulating effect of nitrogen) but which is indeed narcosis.