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Scuba Forum / General / April 2007

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flying with the bends

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Eddie G - 11 Apr 2007 15:08 GMT
I was watching House last night and this guy in an airplane started
vomiting, then had a rash on his back and got very, very sick.  It was
determined he had the bends and then flew too soon.  I thought the
risk was of an embolism.  Could these other symptoms happen from this?

Also, House told the flight crew to go down to 5000 feet.  I thought
the plane cabin was pressurized to 3000 feet.

Eddie G
Star - 11 Apr 2007 15:18 GMT
> I was watching House last night and this guy in an airplane started
> vomiting, then had a rash on his back and got very, very sick.  It was
[quoted text clipped - 5 lines]
>
> Eddie G

House also said the cause was a combination of flying too soon and
surfacing too rapidly.  Argh.

The main risk with flying while still residual is getting bent.  Ever
check your dive computer when you fly within 24 hours of diving?  Some
will tell you that you are clean on the ground, but will indicate that
you are residual once in the air.

I thought the appearance of symptoms in the other passengers was a bit
- overdone.  I used to like this show.

*
Scott - 11 Apr 2007 15:39 GMT
> > I was watching House last night and this guy in an airplane started
> > vomiting, then had a rash on his back and got very, very sick.  It was
[quoted text clipped - 16 lines]
> I thought the appearance of symptoms in the other passengers was a bit
> - overdone.  I used to like this show.

Sounds like skin bends and stupidity.

As I understand it, commercial aircraft cabins are pressurized to the
equivalent of 8000 feet, but I could be wrong.

Nope;

http://en.wikipedia.org/wiki/Cabin_pressurization
janusz_w@hotmail.com - 11 Apr 2007 18:45 GMT
> > > I was watching House last night and this guy in an airplane started
> > > vomiting, then had a rash on his back and got very, very sick.  It was
[quoted text clipped - 21 lines]
> As I understand it, commercial aircraft cabins are pressurized to the
> equivalent of 8000 feet, but I could be wrong.

Yes, you are wrong.
According to FAA regulation pressure in the cabin cannot be less than
that at 8000 feet.
Airlines keep cabin pressure between 5 and 7 thousand feet
(1500-2000m).

Janusz
Sheldon - 11 Apr 2007 18:52 GMT
>> > > I was watching House last night and this guy in an airplane started
>> > > vomiting, then had a rash on his back and got very, very sick.  It
[quoted text clipped - 31 lines]
>
> Janusz

I saw the show, too.  Interesting, but a bit dramatic.  I "LIVE" at 8000'.
chilly - 12 Apr 2007 09:01 GMT
> >> > > I was watching House last night and this guy in an airplane started
> >> > > vomiting, then had a rash on his back and got very, very sick.  It
[quoted text clipped - 33 lines]
> >
> I saw the show, too.  Interesting, but a bit dramatic.  I "LIVE" at 8000'.

That you live at 8000' is not the problem, and wasn't in the TV show either.
chilly - 12 Apr 2007 09:05 GMT
> > I was watching House last night and this guy in an airplane started
> > vomiting, then had a rash on his back and got very, very sick.  It was
[quoted text clipped - 8 lines]
> House also said the cause was a combination of flying too soon and
> surfacing too rapidly.  Argh.

Well, they could have been.  :^)  Maybe he checked the guy's dive computer.

> The main risk with flying while still residual is getting bent.

And it could be skin bends, not just joint or neurological.  (I didn't catch
the episode by the way, so perhaps the guy started with the skinbends and
moved on up from there).

>Ever check your dive computer when you fly within 24 hours of diving?  Some
> will tell you that you are clean on the ground, but will indicate that
> you are residual once in the air.

I liked the one I had that showed the little airplane icon blinking.

> I thought the appearance of symptoms in the other passengers was a bit
> - overdone.  I used to like this show.

He only had an hour to solve the whole case without killing the guy.  Same
plot every week, ho hum.  ;^)

I still enjoy it, over done or not.  The whole premise is a bit outrageous
anyway.
P.Schuman - 12 Apr 2007 12:26 GMT
> I was watching House last night and this guy in an airplane started
> vomiting, then had a rash on his back and got very, very sick.  It was
[quoted text clipped - 3 lines]
> Also, House told the flight crew to go down to 5000 feet.  I thought
> the plane cabin was pressurized to 3000 feet.

I think he said something to the effect of skimming the waves - sealevel.

SO - the plane was at altittude, the cabin pressure was at say 8,000.
Then, if the plane decended to sealevel, or anything BELOW 8,000 and equalized,
the cabin pressure would be at that actual localized pressure..

What would be the effect of going from 8,000 down to say 3,000 ??
as far as the bends ??
nospam@all.please.net - 13 Apr 2007 00:32 GMT
>> I was watching House last night and this guy in an airplane started
>> vomiting, then had a rash on his back and got very, very sick.  It was
[quoted text clipped - 12 lines]
> What would be the effect of going from 8,000 down to say 3,000 ??
> as far as the bends ??

http://www.diversalertnetwork.org/
Paul Foley - 13 Apr 2007 00:45 GMT
> What would be the effect of going from 8,000 down to say 3,000 ??
> as far as the bends ??

Would limit the damage, but wouldn't cure it.  Once the bubbles are in
there, they're in there.  Cure involves a trip to a hyperbaric chamber,
and even then some damage might be permanent.
greg - 14 Apr 2007 05:48 GMT
Eddie,

     I personally spoke to a diver who developed a serious DCS case
(the bends) while flying between Thailand and Japan after several days
of diving.

    The person did not follow the guidelines for air travel after
diving.  He developed pain in his limbs and joints, but no vomiting.

    The aircraft - a commercial airliner - had to divert and make an
unscheduled landing so he could be transported to a location with a
chamber.  He eventually recovered.  His vacation, however, was a bust
and his DCS case so severe that physicians back in the US have still
not medically cleared him for diving.

    It is possible to develop an arterial gas embolism (AGE) in
flight caused by bubble formation related to diving when not following
the diver travel guidelines.  I would surmise, though, that given the
mechanism for an AGE to occur, DCS (the beds ) would be a far more
common occurrence.

Regards,

Greg
Chris Guynn - 19 Apr 2007 15:26 GMT
>  DCS (the beds ) would be a far more
> common occurrence.

Is that related to the mile high club?  :-)
 
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