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Dexcom Users

For users of a Dexcom Continuous Glucose Monitoring ("CGM") device

Just as a reminder with the recent release of the new Dexcom G4 to the US market--it is NOT okay to post about previous models or older sensors as being 'for sale' on this site.

It is a violation of the Terms of Use because it is a prescription device, and any such efforts will unfortunately be removed.

We encourage you to donate supplies to non-profits such as the Charles Ray III Diabetes Association (http://www.cr3diabetes.org), which accepts unexpired glucometer and insulin pump supplies, or alternatively you may talk to your physician's office or other local medical group to discuss donating them to those in need of assistance.

Thank you all for kindly refraining from this activity.

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Latest Activity: 21 hours ago

OTHER RESOURCES ABOUT DEXCOM IN TUDIABETES

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Rich demos insertion of a G4 sensor- video

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Diabetes Forum

ANY news on dexcom/Animas Vibe approval?

Started by Dan W.. Last reply by jjm335 21 hours ago. 9 Replies

Charging Dexcom in car

Started by Andrea555. Last reply by SueSue on Wednesday. 3 Replies

Skin tac wipes

Started by dishers. Last reply by Suzan on Wednesday. 35 Replies

G4 arriving tomorrow! :)

Started by LovetoHike. Last reply by Biomuse on Tuesday. 13 Replies

Remove Workaround?

Started by Tripp Lewis. Last reply by Tripp Lewis Aug 18. 2 Replies

contemplating getting a cgm again

Started by ANTONIA RETMAN. Last reply by Bambi Aug 16. 11 Replies

CGM insurance

Started by Bailey. Last reply by dishers Aug 9. 12 Replies

Dexcom DM3 Software

Started by Mike W. Last reply by mohe0001 Aug 3. 16 Replies

New to Dexcom G4 and travel

Started by cbaer. Last reply by Brad Ringer Jul 30. 5 Replies

First sensor failure

Started by Linny. Last reply by 2hobbit1 Jul 30. 14 Replies

Acetaminophen's real effect?

Started by Scott Wilkins. Last reply by Suzan Jul 26. 7 Replies

Comment Wall

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Comment by Alyssa on Tuesday
Started my dex Friday. Messed up the calibration and re-calibrated it Saturday night. This is my first time on a cgm and I am still getting used to it. I really hope to get the hang of this soon as I can see so many possibilities using this tech!!!
Comment by Michael McClure on Tuesday

Dex says the only FDA-approved site for their transmitter is on your abdomen. Dex also says don't dose off their CGM.

A LOT of folks here don't use their abdomen for their Tx, so they break that rule without so much as a worry or concern (and it is quite possible it could really malfunction at a different un-FDA-approved site!!!! /sarcasm). I choose to dose off my G4 numbers, and I get a fair bit of flack for that here, but it works fine for me. Really. However, YMMV, depending on your own diabetic condition (like being super sensitive to insulin, as you've mentioned). You will find your own happy medium where you feel comfortable, as each of us has found ours.

As I have stated before here, even One-Touch meter readings taken in succession can be off by quite a bit. All tech has its shortcomings -- none of them are perfect.

As to your specifics, if you play 'by the rules' you will need to put the Tx on your abdomen. If however, you are not concerned with that rule, then I would say the arms are great (outside of bicep, at about the edge of a t-shirt sleeve level -- easy to do one-handed after you get the hang of it), or perhaps on your inner thigh if you want it more hidden.

I do 10u of Apidra at most meals (or thereabouts), so your insulin sensitivity will make you wary, but to increase confidence, just do another finger-stick every time you inject if hit makes you feel more comfortable (again, knowing that even One-Touch meters can be off by quite a bit from stick to stick.

I wish you luck.

Comment by lh378 on Monday

Clare, thanks! I've gathered that the Dex is best used as a tool to gather information on trends but not to base insulin dosage using Dex data. For insulin dosage, it's still best to rely on the fingerstick glucometer. I find that my glucometer readings can vary sometimes by as much as 20%. Do you dose the insulin conservatively to avoid hypoglycemia? It's more difficult to to maintain "tight" BG control when there could be so much error in the glucometer. I'm very insulin sensitive (bolusing anywhere between 1 to maximum 3; mostly 1.5 to 2, 0.5 for correction) My insurance company only covers LifeScan One Touch. Any suggestions?

Comment by Clare on Monday

Your Dexcom rep or CDE will probably insert the sensor horizontally on your abdomen. Personally I hated it on my stomach and now wear my sensor on the back of my arms and on my thighs. When first starting don't expect your sensor to perfectly match your blood glucose meter. It is measuring your interstitial fluid, not your blood and there is a 10-15 minute lag. This will get more accurate the longer you wear it and the more chance it gets to "marinate". And also only calibrate during times of steady blood sugars. If you calibrate during rapid rises or falls it can mess it up. Here is a link to my blog which I wrote after using the system for 3 months. http://www.tudiabetes.org/profiles/blogs/things-i-have-learned-abou...

Comment by lh378 on Monday

Dex Com G4 - I will be going in for a trial of the Dex Com G4
Where do I start so that I'm more informed and this way I can get the most out of the trial? What features and benefits should I be concerned with? individual specific issues vs general comparisons to other CGM devices brands. I am pretty lean and very petite (less than 5 feet tall), where would I insert the sensor? Thanks. this is ALL very new to me

Comment by Mike W on August 3, 2014 at 8:04am
This is interesting and exciting info. I honestly think the applications for this advanced technology is seriously lacking. Imagine the possibilities of linking not only your own but possibly children's cgm and pump functionality to a phone or tablet. I doubt the pharmaceutical companies focus on this so to see a private group pioneering the way really gives me some hope.
Comment by Dianna on August 3, 2014 at 7:17am

You can find the CGM in the Cloud info here:

http://nightscout.github.io/

and also in the FB group "CGM in the Cloud."

I can't wait to try to get it up and running!

Comment by piggy on August 3, 2014 at 7:08am

deadisletsx2
Where can I find about the wireless BG reading and the CGM in the Cloud?

Comment by Clare on August 3, 2014 at 4:49am

Yeah they're a very dedicated group of parents who are not waiting. This makes such a huge difference for when the kids go to school, camp, sleep overs, Grandmas house etc. Just having the peace of mind must be amazing.

Comment by deadisletsx2 on August 2, 2014 at 8:57pm

Loving the wireless BG readings and the group CGM in the Cloud! This is a pic of CGM readings on our bedroom TV.

 

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