pulse oximeter

Lyn Behnke lynbehnke at GMAIL.COM
Wed May 16 20:35:59 UTC 2018


Tom, Excellent example.  


> On May 16, 2018, at 2:50 PM, Tom Benzoni <benzonit at GMAIL.COM> wrote:
> 
> We routinely warm the limb or switch to the forehead probe.
> I've never seen a formal recommendation; it's just filed under "common knowledge."
> It sure can cause a management error; let me use a tangential example.
> When performing moderate sedation for, say, a dislocated shoulder, the B/P cuff and pulse ox are on the same (unaffected) limb.
> When the B/P inflates, flow to the arm and pulse ox is cut off.
> This causes the low saturation alarm to ring and registers a complication in the patient's record.
> So a decision has to be made: error or actual?
> tom
> 
> On Wed, May 16, 2018 at 1:38 PM ROBERT M BELL <0000000296e45ec4-dmarc-request at list.improvediagnosis.org <mailto:0000000296e45ec4-dmarc-request at list.improvediagnosis.org>> wrote:
> Thanks. How many HCPs do you think know that? 
> 
> Is there a formal recommendation to warm the hands/limb if cool to get an accurate reading?
> 
> What is the average error if not warmed and is that, in some patients, big enough to make the wrong decision in management?
> 
> Rob 
>> On May 15, 2018, at 6:39 PM, Behnke, Lyn <lbehnke at UMFLINT.EDU <mailto:lbehnke at UMFLINT.EDU>> wrote:
>> 
>> Yes, Dr. Bell, the temperature of the limb affects the pulse oximeter reading.  Cold hands, lower O2 saturation.  That has been true in my practice, however, there is also literature to support warming up the hands before using the oximeter.  Other solutions:  Ear clips (expensice) and adhesive trips that go on the forehead held by headbands.
>> 
>> With warmest regards,
>> 
>> Dr. Lyn Behnke, DNP, FNPBC, CAFCI, FAAIM, CHFN
>> Assistant Professor of Nursing
>> School of Nursing
>> University of Michigan - Flint
>> 2180 William S. White Building
>> 303 E. Kearsley Street
>> Flint, Michigan 48502-1950
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>> lbehnke at umflint.edu <mailto:lbehnke at umflint.edu>
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