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Re: [IP] CGM Accuracy



I use dexcom with Tslim pump and find the readings quite accurate. My endo
reminded me that finger sticks can a 20% standard deviation.

On Thu, Jun 30, 2016 at 5:04 PM, Susan Lane <
email @ redacted> wrote:

> I use the Dexcom and I think the article was quite accurate
>
> On Thu, Jun 30, 2016 at 1:27 PM, <
> email @ redacted> wrote:
>
> >  The following is from an article titled 'Five Myths of CGM' published in
> > the
> > June issue of Medtronic Diabetes' June, 2016 'News to Infuse' email.
> >
> > "Myth 2: CGM devices are not accurate.
> >
> >  Reality: An oldie but goodie. It is important to note that sensor
> glucose
> > readings are taken from your interstitial fluid (fluid surrounding the
> > cells in
> > your tissue), whereas finger stick tests are taken directly from your
> > blood.
> > Because the readings are from two different places, there is a natural
> lag
> > between glucose levels in the interstitial fluid and glucose levels in
> the
> > blood. Therefore, itb s normal, and should be expected, for your sensor
> > glucose
> > readings and BG readings to be different but for the most part they
> should
> > be
> > close.
> >
> >  One thing to keep in mind is that when you check your BG other CGMs
> > automatically change the sensor number to match the BG number. This does
> > not
> > necessarily mean itb s more accurate. Often, it doesnb t make sense to
> just
> > match the BG since the sensor is measuring glucose from interstitial
> > fluid, a
> > different part of the tissue (not the blood). Our sensors take into
> account
> > multiple factors in the calibration to provide an accurate glucose sensor
> > reading."
> >
> >  If this is true then Dexcom's perceived accuracy may be a self
> fulfilling
> > prophecy. Is this article factually correct? I have never used a Dexcom
> > CGM. Has
> > anybody used both the Enlite and Dexcom sensors?
> >
> > Jerry Smith
> > .
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>



-- 
Irv
.
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