Unusual BG spikes?

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  • 1 Post By xring
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Unusual BG spikes?


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Old 07-02-2019, 04:53   #1
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Default Unusual BG spikes?

I have simple lunches, unsalted nuts, celery with PB, sliced tomatoes, radishes, maybe 2-3 strawberries.

My morning readings have been good so am now concentrating on dinner menus. So no AM reading, but took one about four hours later as a "Pre" dinner number.

I was astounded to see 130! WHAT..? Four hours after that lunch? Scrubbed my finger and another test was still 128. A month of that same LC lunch with 100-108 numbers and suddenly 130?

Do these unusual spikes just happen with no explanation?

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Old 07-02-2019, 07:16   #2
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Yes, it's the nature of diabetes in some people. I'll also get a spike from a food one day & no spike from the same food on a different day. And keep in mind that meters have a 15 - 20% error rate, so your "spike" may not be a spike. I've had 55 pts. variation from two of the exact same meters, testing a few seconds apart.

If meters & test strips were more accurate than that, we wouldn't want to pay the price.

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Old 07-02-2019, 07:21   #3
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Quote:
Originally Posted by xring View Post
Yes, it's the nature of diabetes in some people. I'll also get a spike from a food one day & no spike from the same food on a different day. And keep in mind that meters have a 15 - 20% error rate, so your "spike" may not be a spike. I've had 55 pts. variation from two of the exact same meters, testing a few seconds apart.

If meters & test strips were more accurate than that, we wouldn't want to pay the price.
Wow, a 55 pt delta? Amazing and scary. But I'll stop worrying about it for now. Thanks

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Old 07-02-2019, 12:07   #4
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A thought. That wasn't much of a lunch, and the PB, tomatoes and strawberries are rather carby (do you make note of the carb grams in each meal?). Carbs are digested first and quickly, and it may be that your BG spiked and then dropped significantly enough so that your liver felt the need to dump some glucose into your bloodstream.

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Old 07-02-2019, 14:21   #5
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Having a cold can really make a difference as well. Two weeks ago I was in cold agony - runny nose, cough, fatigue - all that stuff - it was going around. Crunching the numbers from my readings for my sick week - I was running approximately a 8.3% A1C level. My insulin had also increased by 25% to do my best to keep the BG levels down. It was a struggle.
The following week (last week) my cold was behind me and crunching the numbers for all my testing times and what they were - I reached an approximate A1C level of 6.5%. So from 8.3% to 6.5% all because my immune system was under stress from an early summer cold.
Now I say approximate - I didn't get an A1c done each week - I basically add and average out all my readings for the week - Usually 42 - 36 readings throughout each day/night and then I compare that average with a Test reading A1C conversion chart to approximate the A1C level for that week. So that's why I say I approximate using this approach.
In the past I've been out by less than a third of a percentage point when I get a real A1C done so it's been a pretty good approximation in the past.
Anyway - getting back on point - having a cold or some other ailment can make a big difference on testing trends.

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