Cgms

[palefacegirl03]

I keep waking with high numbers, so the pump trainer wants
to hook me up with the CGMS for 3 days so we can see what is happening at night/early morning, looks like I have a DP problem.


So how was your Friday ?

[duck]

I'm hooked up to CGMS, and I woke up at 112 this morning. So my Friday was pretty good...CGMS even says I never dipped below 98 or exceeded 122 over night--I think that's pretty good!*





(these numbers can be off as much as 20%, blah blah blah :D )

[Funnygrl]

Eh, I'm not having great luck with my CGMS so far :(

[duck]

Eh, I'm not having great luck with my CGMS so far :(

I actually spent half an hour on the phone with MM support the other day because of my latest Sensor...it's first 16 hours or so were just ****. I learned the "Isig" value is basically the critical value in regards to the health and happiness of your Sensor and it's environment. MM says 2-200 is the range required, but apparently for me the closer to 12 it is, the more accurate my Sensors are...I need more research into this.

[JediSkipdogg]

...I need more research into this.

I would love if you figure out what the Isig is, how it's figured out, etc...basically, find something useful and factual on it. It's been around since CGMS has been out and a while back I tried to look for info on it but couldn't find any. Supposedly thought, like you said, it is the magical number for how well the CGMS will work.

[duck]

I would love if you figure out what the Isig is, how it's figured out, etc...basically, find something useful and factual on it. It's been around since CGMS has been out and a while back I tried to look for info on it but couldn't find any. Supposedly thought, like you said, it is the magical number for how well the CGMS will work.

I really wish I hadn't been so tired and annoyed* (and low, which is why I called because the Sensor was telling me I was 134, when I was 80) because the combination lead me to not take notes. But the gist was that the Isig was literally a measure of the Sensor's health and happiness in its environment. When I was talking to MM, my Isig was 2-something...Within range, but not a good reading for Isig. The person I was talking to said the Sensor probably needed more moisture in its environment, but since I had no access to my Link cable to upload its data, that was speculation. This was about 13 hours after I inserted into probably the least "sweaty" part of my leg I have used yet, so maybe there is something to that.

I guess I could upload and call them for an interpretation. Since I past 12 (Isig), my calibrations have been very, very close. The last one 30 minutes ago as 116, and the Sensor was saying 114 (Isig 13.09).

*I woke that morning with my Sensor saying I was 134, but I felt like ****. I check for my morning Calibration and I am well over 300...WTF? So I take a BIG correction and head off for work (I ride a train, y'all, no car involved and lots of sugar in many forms with me). I get to work, and again, my sugar is 134 on the Sensor, but I feel low. I check, 81. So now I'm PO'd and call MM. I was tired because the **** Sensor/722 keep alarming me early in the night that I was low (and I was, but my sugars were being stubborn and wouldn't come up for some reason)...So hey, I'm still thrilled with this technology, but I won' tell anyone it's perfect.

[Funnygrl]

Seriously, my first sensor missed every low I had and was off by like double sometimes and was super flat. Trainer: "Maybe you just are flat- quite unusual for a type 1!" My 2nd sensor seems better. It caught a few lows. It caught a high. Now it's doing that uber steady thing again though.

[duck]

Seriously, my first sensor missed every low I had and was off by like double sometimes and was super flat. Trainer: "Maybe you just are flat- quite unusual for a type 1!" My 2nd sensor seems better. It caught a few lows. It caught a high. Now it's doing that uber steady thing again though.

What's your Isig reading?


(And apologies to PaleFaceGirl for hijacking your CGMS/Friday thread)

[Funnygrl]

What's your Isig reading?


(And apologies to PaleFaceGirl for hijacking your CGMS/Friday thread)
12.65

Man, I should be good!

[duck]

12.65

Man, I should be good!

It would be interesting to see how consistent you are with your meter now...

I just thought of something else. When I "re-use" my Sensor after three days, I just say "New Sensor" and go through the motions on the pump, and almost immediately it tells me to enter MeterBG Now...if my Isig is 12 or greater, I guess that makes sense? I guess also getting to a good Isig level is what we do when we initially insert a Sensor, the "wetting period" and all that is what we are waiting on?

So many questions, so few answers.

[Funnygrl]

Right now, finger stick 106, sensor 116, so not bad.

[RobiJo]

I would love if you figure out what the Isig is, how it's figured out, etc...basically, find something useful and factual on it. It's been around since CGMS has been out and a while back I tried to look for info on it but couldn't find any. Supposedly thought, like you said, it is the magical number for how well the CGMS will work.

That Isig number is interesting. I definately match up closer when that number is 11-20. My trainer said it should stay under 29 to be "accurate". When the readings are off, I do notice that the Isig is much higher. I've had really good experiences with the CGMS. I'm getting axious about what my next a1c will be, and also what the insurance company is going to say about coverage for them (currently in "review"). A 10 pack is lasting me 3 months though, so that is pretty good and I'm pleased with that. (I put a new one in every 10 days.) I have found good old hospital tape the best for keeping the thing sticking to my skin and not sliding around like the first couple did using Tegaderm.

[iDream]

Never even knew what the isig was...current reading is 8.93.

sensor: 90
finger: 91

[Funnygrl]

I notice my isigs go low when I'm off.

[palefacegirl03]

What's your Isig reading?


(And apologies to PaleFaceGirl for hijacking your CGMS/Friday thread)


No problem,lol

The trainer is going to do the cgms on Monday, so I am curious to see what is going on.
Though of course my numbers have been good last night and this morning, have not got over 100 .

[dgrilli]

I would like to know what is the most used CGM here and take some notes.

I getting the Dexcom and also the RT Guardian is in the works. I wonder which one is preferred?

As I will have a 30 day trial ao at least the Dexcom.

[someone]

The isig should correpond to you blood glucose. Normally when I have a sensor that works really well, the isig is around 12 for 100. But.. the sensor I am wearing at the moment has been around 25 for 100 and has been very accurate. Right now it's reading 158 and the isig is 36.25 which normally would mean I am probably over 250.

Next time I have a sensor that doesn't show much fluctuation, I am going to call Minimed and see if they can give me some sort of technical explaination because I can't figure out why some sensors just don't show fluctuation until like the 6th day.

[someone]

In looking at the carelink data table, it looks like the isig's unit is the nanoampere (nA).. just a measure of electric current..

[JediSkipdogg]

I getting the Dexcom and also the RT Guardian is in the works. I wonder which one is preferred?

If you compared the original Dexcom to the MM the MM would win hands down. Now...comparing the Dexcom Seven to the MM I think they are a tie for accuracy....however...the #1 problem and complain with the Dexcom is that it ONLY will accept BG readings from a One Touch Ultra CONNECTED to it. So you can't manually input readings and you have to always have a cable with you. I haven't heard of that changing yet at all.

[duck]

The isig should correpond to you blood glucose. Normally when I have a sensor that works really well, the isig is around 12 for 100. But.. the sensor I am wearing at the moment has been around 25 for 100 and has been very accurate. Right now it's reading 158 and the isig is 36.25 which normally would mean I am probably over 250.

Next time I have a sensor that doesn't show much fluctuation, I am going to call Minimed and see if they can give me some sort of technical explaination because I can't figure out why some sensors just don't show fluctuation until like the 6th day.

In looking at the carelink data table, it looks like the isig's unit is the nanoampere (nA).. just a measure of electric current..

Very interesting stuff...I'll start keeping notes.

[cat_collector]

I have only used the sensor on my stomach , does anyone use there arm?I like to take hot baths in the winter because I freeze my a$$ off all day at work and I know the hot water is not good for the transmitter .

Also I never get more than 6 days from a sensor , is nayone getting any more than that ?

Tracy

[Funnygrl]

I use my legs. Haven't tried arms.

[duck]

I have only used the sensor on my stomach , does anyone use there arm?I like to take hot baths in the winter because I freeze my a$$ off all day at work and I know the hot water is not good for the transmitter .

Also I never get more than 6 days from a sensor , is nayone getting any more than that ?

Tracy

Only tried my legs so far...But I have been able to squeeze about ten days out of a Sensor...after the second Sensor End, I take the transmitter off and charge it for about an hour and use it again for at least three more days. I have noticed if I try to push the envelope and go fourteen or so days, the last day is just utter ****.

[cat_collector]

Ill try charging the sensor on the 2nd restart and see if that helps .
Thanks
Tracy

[RobiJo]

I should try my legs. I've only used my stomach. I wish they'd make it like a Quick Set rather than the sil... I do hate that angle. That transmitter weighs just enough to slowly slide south. If they could make it to be symetrical and like a quick-set I would be thrilled.

As for usuage... 7-10 days. Once I get a "Lost Sensor" warning and it's in range, I know it's all over. I try to "Find Lost Sensor" and get nothing. I pull it out and the sensor is usually bent.

[duck]

I should try my legs. I've only used my stomach. I wish they'd make it like a Quick Set rather than the sil... I do hate that angle. That transmitter weighs just enough to slowly slide south. If they could make it to be symetrical and like a quick-set I would be thrilled.

As for usuage... 7-10 days. Once I get a "Lost Sensor" warning and it's in range, I know it's all over. I try to "Find Lost Sensor" and get nothing. I pull it out and the sensor is usually bent.

Do you tape yours down at all?

[dgrilli]

Only tried my legs so far...But I have been able to squeeze about ten days out of a Sensor...after the second Sensor End, I take the transmitter off and charge it for about an hour and use it again for at least three more days. I have noticed if I try to push the envelope and go fourteen or so days, the last day is just utter ****.

Does this prolonged period cause any issues with Infection or get sore?

Because I can get at most 3 and a half days out of a Comfort Short set or is this different?

[duck]

Does this prolonged period cause any issues with Infection or get sore?

Because I can get at most 3 and a half days out of a Comfort Short set or is this different?

When I was using Tegaderm, the area under my transmitter looked like it had a rash, and I don't know why. When I use IV3000 for the same amount of time, no such issues. Aside from that, no problems at the sites. I think it's because the "insertion needle" is thinner and nothing is flowing through it.

[someone]

When I was using Tegaderm, the area under my transmitter looked like it had a rash, and I don't know why. When I use IV3000 for the same amount of time, no such issues. Aside from that, no problems at the sites. I think it's because the "insertion needle" is thinner and nothing is flowing through it.

When I first started using the Tegaderm I would get a bad rash where the tape was. I continued using tegaderm and I stopped getting the rashes.

I don't know how anyone gets more than 6 days out of a sensor. I simply can't do it. Sometimes I can't even get 6. My blood glucose will just start randomly jumping all over the place and that is when I know to change it.

[Dewey]

The most I've gotten out of a sensor was 9 days so far. I've also found that sometimes, the SG (sensor glucose) levels will be right on target (or darn close) to my BG levels. Other times, however, they can be off by more than 20/30 points. I've not paid too much attention to my Isig. This evening, it's a bit low (3.45), but the sensor glucose levels still seem to be very close to my BG readings.