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32 Comments

Comment by Sameer Grover on October 21, 2009 at 11:42am

Can I tell you how AWESOME the Dex has been? I've only had it for 2 days and so far it's going great! All my blood tests (minus the 1st day) have been within 2-5 points with the Dex. Also, quick success story...every time I eat pasta I've always over bolused. I always go low, no matter how hard I try to figure out the carbs. Today for lunch, I had some pasta and kept a close eye on the Dex. Approximately 1 hr later, it was trending down with 1 arrow pointing down. I ate half a piece of cinnemon bread (approx 15g) and for the past 2 hours I've been level at 110. This thing is great and I'm only on day 2!!

Comment by Robin Lynn Macke on September 9, 2009 at 11:34am

Wooo Whooo day 5 on the Dex and I am so impressed hopefully this will help me get my A1C down! I already eat low carb and exercise 5X a week. Robin

Comment by Heidi Bruggink on August 13, 2009 at 7:15am

So... I've had Dex for a week now, and while I LOVE it while it works, I've already had two sensor problems. The first was probably my fault - it fell off on a really humid day, and I've now ordered SkinTac to deal with that - but the second just occurred on Day Three of a new sensor. After breakfast (balanced w/protein, moderate carbs, 15-minute wait after Apidra before eating), Dex said I was around 150-160. Just checked and I'm actually 73, and when I entered that, Dex came up with ERR1. I've had swings before, and it usually either recalibrates or says ??? for a little bit. Has this happened to any of you? Hopefully it can get back on track in an hour... but am getting a little frustrated!

Comment by Rickst29 on June 30, 2009 at 10:23pm

Hey, Jimmy: (in reply to June 13) at Day 7, if the Sensor has already reached "remaining time 0:00" then you merely go to the menu, do "Sensor start", and wait for the two hour warmup. You don't even need to remove the transmitter (although I usually DO remove the transmitter, to wipe off any collected sweat near the electrical contacts).

If the end of the "warm-up" will be inconvenient, you can use the menu to "Stop Sensor" whenever you want to (even way back, during day 6, if that's gonna be better for your schedule). Then immeidately go right back to the menu and "Start Sensor", wait two hours, enter two calibrations....

and you've got seven more days (if it works that long). I usually get two full periods, plus part of of a 3rd-- but I don't think that I've ever made it past 21 days with good numbers. For me, they become seriously unreliable somewhere around days 15-19.

How to tell? The 3-hour, 6-hour, 12-hour lines get fuzzy. If adjacent readings start jumping up 20 points, down 10 points, then up again, then down again.... it's done. Good Sensors display a tight, smooth line, without lots of "jumpiness" or "fuzziness". One or two weird readings might be OK, but extended "hunting" means that you've reached then end. Toss it.

Comment by Luca Bertagnolio on June 25, 2009 at 11:30pm

Deborah, I've found that using a 3M Tegaderm patch is a great way to keep the sensor tape protected. I use the 1624W that I found at a Walmart, and now have bought a large box on eBay.

The patch is made of a very thin transparent tape and I apply that immediately after wearing a new sensor. I have to cut a rectangular "window" in the middle to fit the sensor, and the size of the patch is just about covering the whole oval white tape.

Two weeks with plenty of showers, no problem!

Ciao, Luca

Comment by Deborah on June 25, 2009 at 8:55pm

Can anyone give me advice on how to adhere the sensor tape onto my abdomen when I'm past the 7 days and into the next week. The adhesive is starting to come off. I'd like tips on how to stretch this into the second week.

Comment by JiMMy on June 14, 2009 at 7:51pm

Thanks. Wasn't sure how to do it. My first Sensor failed under 24 hours. Dexcom is sending me a replacement. The current one has been on for 3 days now. It's been off a bit but overall I'm happy with it.

Comment by Emily Pettersen on June 13, 2009 at 2:58pm

Hey Jimmy,
You just tell it that you put in a new sensor, even though you didn't. You'll have to wait through the 2 hour calibrating period, but it should work fine again after that! I've been finding that I can often get another full week out of a sensor before it starts giving me lots of question marks, etc.

Comment by JiMMy on June 13, 2009 at 2:42pm

How do you get the sensor to work past the 7 days when the Receiver says it's time to change?

Comment by Renegadez on June 8, 2009 at 9:34pm

Automated “Artificial Pancreas” Controls Blood Glucose Levels in Diabetes Patients for First Time

Using the Dexcom and OmniPod

http://tudiabetes.com/forum/topics/automated-artificial-pancreas

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