Oximeters

robert bell rmsbell200 at YAHOO.COM
Tue Jan 30 05:49:39 UTC 2018


I was thinking also of the accuracy in elderly patients with osteoarthritis, bent fingers, and soft skin versus hard thickened skin and also the differences with different fingers.

Yes, alarms are a problem.

Rob Bell, M.D.
> On Jan 29, 2018, at 3:11 PM, Rory Jaffe <rjaffe at CHPSO.ORG> wrote:
> 
> Interpretation is a big issue. Pulse oximetry is very insensitive to hypoventilation when a patient is on supplemental O2. Also tends to have lots of false alarms--the default limits are not very usable and ideally, people would use patient-specific alarm limits.
> 
> -----Original Message-----
> From: Grubenhoff, Joe [mailto:Joe.Grubenhoff at CHILDRENSCOLORADO.ORG] 
> Sent: Monday, January 29, 2018 8:55 AM
> To: IMPROVEDX at LIST.IMPROVEDIAGNOSIS.ORG
> Subject: [No SPF Record] Re: [IMPROVEDX] Oximeters
> 
> Pretty accurate in my experience - the problem may be in how this single value is interpreted in the context of the whole clinical picture:
> 
> 
> 
> Effect of Oxygen Desaturations on Subsequent Medical Visits in Infants Discharged From the Emergency Department With Bronchiolitis.
> 
> Principi T, Coates AL, Parkin PC, Stephens D, DaSilva Z, Schuh S.
> 
> JAMA Pediatr. 2016 Jun 1;170(6):602-8. doi: 10.1001/jamapediatrics.2016.0114.
> 
> 
> 
> Effect of oximetry on hospitalization in bronchiolitis: a randomized clinical trial.
> 
> Schuh S, Freedman S, Coates A, Allen U, Parkin PC, Stephens D, Ungar W, DaSilva Z, Willan AR.
> 
> JAMA. 2014 Aug 20;312(7):712-8. doi: 10.1001/jama.2014.8637.
> 
> 
> 
> 
> 
> ´╗┐On 1/29/18, 09:49, "Robert Bell" <0000000296e45ec4-dmarc-request at LIST.IMPROVEDIAGNOSIS.ORG> wrote:
> 
> 
> 
>    How accurate are oximeters? Are the errors big enough to make wrong decisions?
> 
> 
> 
>    Rob Bell, M. D.
> 
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