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Hello, Yesterday, I felt ill so, I checked my blood sugar on two different meters... I knew I was very low. One meter's result was 190....the second meter result was 49..(Bayer). Since I felt very ill, I knew the 49 was the correct reading.

I tested my blood this morning at 10:25 EST. I changed the batteries in two of my meters and charged a third meter. I set up all three meters with test strips and then used the lancet on one finger. These were the results after using the blood from my finger: ULTRA2-221, Ultra Mini-210, Bayer Contour-190. Now, I have no idea what is correct and what isn't.

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Been there, done that, and abandoned it LOL. You can drive yourself nuts trying to figure out which meter is 'right', especially given that they can be off by +/-20. I take my meter when I get blood drawn for a BG, and compare my reading to the lab. It's usually not off by more than 10.

Pick one meter, stick with it, or you'll be tearing your hair out ;) I suspect that the 190 was probably something on your hands? Did you retest on the same meter?

I couldn't retest with anything. I was so out of it. That's how I knew I was extremely low. Luckily, I was able to call my husband and he came home from work immediately. I generally use the Bayer Contour meter. I guess I will need to decide which two I can trust. I like to have one with me and one at home. Thanks for your response. :)

By the way, I HATE having diabetes!!! *LOL* *LOL*

Great comments. Not all meters are same on different bodies.

Water content of body and how much trick sugar liver throws around the body loop back into liver for another pass can really prang readings one is seeing when test strips read total sugar glucose D plus the corn man made sugars.

One needs to test each meter on your own body and see results after digesting a meal ( 6 hours period after ingesting a meal and see if consistency on meters. I have seen 40 to 100 points off.

PQQ strips are a disgrace and FDA should be shot. Be sure to drink water as I have seen severe wrong readings on some meters.

I have seen very good meters on my body spike when they shouldn't and water differences in blood also confuse some very good meters.

Good luck.

Thanks Jim... I am amazed that when I tested my blood, using three different meters, this morning.....all at the same time, each meter had a different reading. A difference of 30-40 points could mean going into a diabetic coma. No meter should be off that much. You would think the technology would have come further along that that.

I've also been there - 60-70 pt. difference between two meters. You'd think with the ridiculous price of test strips, that wouldn't happen. Sometimes I go for days without testing just to avoid the stress which can be worse than not knowing what my BG is.

221-190 is not so much difference.
The problem is you 190-49: are you sure it was 190 ? It seems an "operational" error to me.
If you have to choose something, choose a meter+test strips sold in the last year: they did some progress.
Bayer for example should have countour XT, with new test strips.
Then you have lifescan Verio, Agamatrix/sanofi bgstar as far as I know.

Oh, I didn't realize I put 190..... it was 90 NOT 190. The situation is the same though. I don't become almost unable to function at 90... Thanks for noticing my mistake. :)

I wouldn't be as concerned about the 221,210 ,190 as I would about the 190, 49. I would call the company you got the 190 on and tell them about your results. They might ask you to send the meter back and send you a new one. Meter companies are usually interested in situations like you found with the 2 meters.

Just saw your entry of the 90. I would still call the company. You aren't low with a 90.

I didn't realize I put 190, it was 90 NOT 190 *LOL* Not bad enough having diabetes.....I think it causes stupidy or lack of typing skills.... :)

Ohhhhh that's why I asked if you retested! LOL

What pup said. Been there done that and have found that sticking to 1 meter and not getting all those different readings helped meout greatly! LOL!




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