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something i noticed during my lung function tests

I have had derealization disorder for 4 years.   In the past 1 1/2 years it has been severe and disabling, and tormenting.    I really don't have the autonomic hyperactivity associated with panic attacks,  just moderate to severe derealization all the time.    I didn't even know what I had until a psychologist diagnosed my symptoms last year.   But they don't know why I have it or whats causing it because I don't fit any profile they can see from their perspective.       So here is why I'm asking you,  a Lung doctor about this.   It basically feels like I'm breathing nitrous oxide, the gas the dentist will give you.   A dissociative feeling just like the gas.....Funny enough,   when I had my lung function tests due to my perceived reduced lung capacity,   one of the gasses (I don't know which one) when I breathed it in,   my derealization VANISHED COMPLETELY for about 20 seconds...right when I breathed in one of the gasses from the lung testing machine!   I totally did not exact that to happen, but it did!

Comments please?
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242588 tn?1224271700
MEDICAL PROFESSIONAL
I can’t relate the “vanishing” of your depersonalization symptoms, while performing pulmonary function tests (PFTs).  The only abnormal gas used in such testing is very low dose carbon monoxide.

You mention that you have been evaluated by a psychologist and a lung doctor.  Given the documented association of depersonalization with vestibular dysfunction, you might want to seek consultation with a neurologist or with an ear, nose and throat (ENT) specialist, with a special interest in vestibular function.

Good luck.
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Avatar universal
By the way, I've had all the usual tests to try to diagnose something like I have...MRI of brain,  blood tests...of course all is negative.
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