X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml Date: Wed, 13 Sep 2006 17:33:41 -0400 Message-ID: X-Original-Return-Path: Received: from mxsf42.cluster1.charter.net ([209.225.28.174] verified) by logan.com (CommuniGate Pro SMTP 5.1c.4) with ESMTP id 1401237 for lml@lancaironline.net; Wed, 13 Sep 2006 11:40:22 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.225.28.174; envelope-from=miriani33@charter.net Received: from mxip35a.cluster1.charter.net (mxip35a.cluster1.charter.net [209.225.28.250]) by mxsf42.cluster1.charter.net (8.12.11.20060308/8.12.11) with ESMTP id k8DFdUGp015861 for ; Wed, 13 Sep 2006 11:39:35 -0400 Received: from 209-225-8-101.charter.net (HELO fepweb01) ([209.225.8.101]) by mxip35a.cluster1.charter.net with ESMTP; 13 Sep 2006 11:39:16 -0400 X-Original-Message-ID: <768660380.1158161955969.JavaMail.root@fepweb01> X-Original-Date: Wed, 13 Sep 2006 8:39:15 -0700 From: X-Original-To: Lancair Mailing List Subject: Re: [LML] Re: High Altitude Oxygen Failure X-Original-Cc: Mark Sletten MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: 7bit X-Priority: 3 (Normal) Sensitivity: Normal the problem with the pulse oximeter is that if you have it on your finger, and then become hypoxic, you may not regcognize there is a problem and ignore the number and continue on... it certainly helps and provides information bottom line is if you become hypoxic with an po2 saturation of less than 85 you will have impaired decision making regardless of what type of mask is on your face. dont use a caunula only above fl180 if you are going above 18,000 use a mask and an oximeter. if above 25,000 you need positive pressure mask and realize you are taking a calculated risk if you lose oxygen as you may not recognize the loss of flow, and if you do you have a small window to get down. Please do the chamber in Oklahoma City as offered on this list.. it's free and an eye opener Matt Miriani AME