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Tue Oct 24 12:28:33 BST 2006

Certainly HBO is available for COHb patients but not all of them require it.
T½ of CO is 4-6 hours at 21% O2, and 40-60 mins at 100%. 

COHb between 3-12% could be due to a lot of things.
12-25% - look for symptoms, but still give 100% O2.
25-30% - consider HBO even with mild symptoms.

"Although 92% would use HBO for a patient presenting with headache, nausea,
and COHb 40%, only 62% of facilities utilize a specified minimum COHb level
as the sole criterion for HBO therapy of an asymptomatic patient. When COHb
is used as an independent criterion to determine HBO treatment, the level
utilized varies widely between institutions. Half of responding facilities
place limits on the delay to treatment for patients with only transient LOC.
Time limits are applied less often in cases with persistent neurologic
deficits. While variability exists, majority opinions can be derived for
many patient selection criteria regarding the use of HBO in acute CO
poisoning."
--J Emerg Med. 1995 Mar-Apr;13(2):227-31.

I am forwarding this to CCM-L too. 

Gustavo E. Flores Bauer, MSIII EMT-P :.
EmergencyTeam.Net
San Juan, Puerto Rico
Iberoamerican University School of Medicine
Santo Domingo, Dominican Republic

Cel: 829-770-0707
Fax: 809-686-6988
MSN Messenger: gustavoflores911
Skype: gflores911
E-Mail: gustavo at emergencyteam.net
Web: www.emergencyteam.net

The Serenity Prayer:

"God, grant me the serenity to accept the things I cannot change, courage to
change the ones I can, and wisdom to know the difference."

S:.F:.U:.

-----Original Message-----
From: trauma-list-bounces at trauma.org [mailto:trauma-list-bounces at trauma.org]
On Behalf Of Anthony Caruso
Sent: Monday, October 23, 2006 5:42 PM
To: trauma-list at trauma.org
Subject: FW: Carboxyhemoglobin Levels

To all on this group.  Some advice is needed regarding carboxyhemoglobin
levels on certain patients.  What levels are permissible to treat only with
1.0 Fio2?  What levels are treated with a hyperbaric therapy?  Let's start
from neonates all the way up to the elderly.  If anyone has some advice or a
website that might point me in the right direction.  That would be helpful
as well.  I'm trying to find hard numbers, but I cant seem to Google it for
the life of me.  
  Thanks'
  Anthony M. Caruso
  NREMT-P

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Carboxyhemoglobin Levels