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Wed Oct 1 01:02:49 BST 2008

And thank you for reiterating the obvious.

If you need clarification; my point was simply that it's a poor negative 
indicator and a late (if at all) positive indicator.  Other signs will 
show first.  That is why I don't discount it entirely, but do not rely 
on it.

Regards,
LT

Blueflightmedic wrote:
> That's fairly obvious. The pressure required to push the entire mediastinum
> to one side must be considerably greater than the passive filling pressure
> of the venae cavae.
> 
> Best Wishes,
> 
> Rowley. 
> 
> -----Original Message-----
> From: trauma-list-bounces at trauma.org [mailto:trauma-list-bounces at trauma.org]
> On Behalf Of Larry Torrey
> Sent: 17 September 2008 13:29
> To: Trauma &amp; Critical Care mailing list
> Subject: Re: Needle Decompression
> 
> It doesn't take long, but it's a late sign. I've never seen it in a patient
> not in extremis. 
> 
> LT
> 
> Sent from my Verizon Wireless BlackBerry
> 
> -----Original Message-----
> From: "Dr Ross Hofmeyr" <wildmedic at gmail.com>
> 
> Date: Wed, 17 Sep 2008 11:50:12 
> To: 'Trauma &amp; Critical Care mailing list'<trauma-list at trauma.org>
> Subject: RE: Needle Decompression
> 
> 
> I must be missing something here - what takes so long when checking for
> tracheal deviation?  It's about a 5-second examination.
> 
> R.
>> late sign and demonstrated that looking for the deviation 
>> wasted time and aided in the practitioner loosing focus of 
>> the treatable injuries.  Maybe it is time for main stream EMS 
> 
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Needle Decompression