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07-31-2007, 09:46 PM
|  | Super Moderator
I am a: Type 2 | | Join Date: Feb 2002 Location: Do Dah, OZ, aka Kansas
Posts: 4,333
| | | Well it's not showing either. What it is showing is the "Continuous subcutaneous glucose monitoring in healthy subjects during daily life conditions." Which means glucose under the skin not from in the blood. Now the question was the CGMS calibrated to a meter as in a plasma or whole blood reading meter, or was it independently calibrated from a know source as in a glucose solution. |
07-31-2007, 09:53 PM
| | Senior Member
I am a: Type 1 | | Join Date: Sep 2004
Posts: 5,131
| | Quote:
Originally Posted by Harold  Well it's not showing either. What it is showing is the "Continuous subcutaneous glucose monitoring in healthy subjects during daily life conditions." Which means glucose under the skin not from in the blood. Now the question was the CGMS calibrated to a meter as in a plasma or whole blood reading meter, or was it independently calibrated from a know source as in a glucose solution. | I would guess it was calibrated to lab values which are usually plasma.
__________________
Officially type 1, really type "we-have-no-stinkin'-clue"
Clear Minimed Paradigm 522 w/ occasional sensor use
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05-01-2008, 01:00 PM
|  | Senior Member
I am a: Type 1 | | Join Date: Jan 2008 Location: Kansas, US
Posts: 509
| | Quote:
Originally Posted by Cyborg I wouldn't say the bg trickles around 80, but rather bottoms out around 80 (for the mean value). It's real nice to see what happens after meals. Also nice to see that the range can go as low as 60 (the value I treat at usually) and can go as high as 150 or 160 after a meal. Looks like bg should return to normal after about 3 1/2 hours of eating... | Personally, I'd say that it asymptotically approaches around 80.  Quote:
Originally Posted by Dan Gato So, what are you saying?
normal is 80 to 120 for non diabetics?
I'm far away of being normal.
The endos say should never be over 110. I guess 10 points is not a big deal. it isn't for me.  | The bold, blue line is the mean ("normal" people call this the "average"), and the thin lines show plus or minus two sigma. IOW, at least 95% of the population is between the upper and lower bounds.
No wonder I feel better when I awaken around 80. It looks like I've been trying to run my FBG at the high end of normal, +2 SD.
__________________
Eddy
DXed 2007/04 : presented with advanced-stage DKA, A1c of 12.9%, and BMI of 21.3 kg/m^2
Post-DX A1c : 5.2% @ 2008/04; 5.3% @ 2007/12; 5.3% @ 2007/08
current BMI : 25.4 (84kg on 182cm); want to get back to 23-24
basal : Levemir; 18U @ 0800, 18U @ 2200 (have also used Lantus)
bolus : 1:15 I:C ratio; varying mix of Novolog, Novolin-R, Novolin-N (have also used Humalog, Humulin-R, and Humulin-N)
not a low-CHO eater... not even close!
last updated 2008/05/09
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05-01-2008, 01:43 PM
|  | Member
I am a: Type 1 | | Join Date: Jul 2004 Location: Livonia, MI
Posts: 447
| | Quote:
Originally Posted by DeusXM dealing with 'high' blood sugars without receiving any damage at all, providing the duration of the spike is limited. | Exactly. The duration of the spike is exactly what brings up A1C, for anyone. Even a post meal spike for a diabetic, at 180 or higher, isn't going to do damage either, as long as it is brought down within 2-4 hours.
Interesting graph... To me, it shows/confirms that a post meal spike isn't all that bad, esp. if it is also happening in non-diabetics...
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<scott>
<T1 for 20 years - Clear Paradigm 722 w/ CGMS>
<4.23.08 A1C --> 6.2>
<1.23.08 A1C --> 6.5> |
05-01-2008, 02:04 PM
|  | Senior Member
I am a: Type 1 | | Join Date: Sep 2006 Location: Auckland, New Zealand
Posts: 1,601
| | Quote:
Originally Posted by solox316 Exactly. The duration of the spike is exactly what brings up A1C, for anyone. Even a post meal spike for a diabetic, at 180 or higher, isn't going to do damage either, as long as it is brought down within 2-4 hours .... | That seems to be the consensus based on research that has been done on this. Short-lived spikes are not a problem, as long as blood glucose returns to the target range promptly and stays there.
The problem is that this just doesn't happen. Not with me anyway. The bigger the blood glucose spike, the smaller the chance of it getting coming back down and being stable. Blood glucose goes up after a carby meal and just stays there. I end up having to chase it down with more insulin, and so the roller-coaster ride begins ...
Some people maintain that damage is done when BG goes over 140. This may be, but for me the main advantage of achieving near-normal PP blood glucose is that it is stable.
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In my humble opinion  
Type1 since 1977
MDI using Lantus, Protophane, Novorapid and Actrapid
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05-01-2008, 02:13 PM
|  | Senior Member
I am a: Type 1 | | Join Date: Jun 2006 Location: Rothesay, New Brunswick Canada, eh
Posts: 5,562
| | | Keeping carbs reasonable plus my other techniques to keep my spikes minimal also keeps me stable and generally eliminates chances of going hypo. My spikes do tend to fall, but often last four or more hours and drop very slowly. My hypo troubles typically start with correcting a high 2hr pp that is on track for correcting itself. I just don't know it. Four hours after that I bottom out.
Lately I've tried bolusing for high spikes then dropping my basals, but mostly it has resulted in bad roller-coaster rides.
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A human being should be able to change a diaper, plan an invasion, butcher a hog, conn a ship, design a building, write a sonnet, balance accounts, build a wall, set a bone, comfort the dying, take orders, give orders, cooperate, act alone, solve equations, analyze a new problem, pitch manure, program a computer, cook a tasty meal, fight efficiently, die gallantly. Specialization is for insects.
-Robert A. Heinlein |
05-01-2008, 02:23 PM
| | Member
I am a: Type 2 | | Join Date: Apr 2008 Location: Roanoke, VA
Posts: 123
| | Very interesting presentation. Of course anyone can go low. That is called Hypoglycemic and many people are diagnosed with the problem. Others just do not realize what is going on in their bodies. Just run grab coffee and sugar.
Think we all need to teach a nuturion course to those around us. Don't get me on my soap box. 
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Janlaton
type 2 40 years
Avandia, Glipzide & Metformin
Grandmother to 4 wonderful children
I have diabetes, It does not have me!
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05-01-2008, 03:32 PM
| | Member
I am a: Type 1 | | Join Date: Jul 2004 Location: Livonia, MI
Posts: 447
| | Quote:
Originally Posted by BlueSky Blood glucose goes up after a carby meal and just stays there. I end up having to chase it down with more insulin, and so the roller-coaster ride begins .... | Exactly... my problem is that the darn insulin doesn't bring it down as fast as my mind wants it too... eventhough I know this, and know how the insulin peaks and whatnot, I chase it, then drop too low a few hours later... then the liver kicks in... yadda yadda yadda... so avoiding those spikes is definitely preferred. I just simply cannot (won't more like it) give up some carbs, so I just try to learn to deal with em better....
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<scott>
<T1 for 20 years - Clear Paradigm 722 w/ CGMS>
<4.23.08 A1C --> 6.2>
<1.23.08 A1C --> 6.5> |
05-01-2008, 03:55 PM
| | Senior Member
I am a: Type 1 | | Join Date: Sep 2006 Location: Auckland, New Zealand
Posts: 1,601
| | Quote:
Originally Posted by solox316 ... I just simply cannot (won't more like it) give up some carbs, so I just try to learn to deal with em better.... | Tell me about it ... . I think the trick is to eat carbs at a time of day when you are able to deal with it the best. Carbs send my BG through the roof in the morning, so I eat a very low carb breakfast. I am able to deal with carbs a lot more easily at lunch time, when I eat fruit or something starchy. I limit carbs at night because I want my BG to be stable and in the target range when I go to bed.
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In my humble opinion
Type1 since 1977
MDI using Lantus, Protophane, Novorapid and Actrapid
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05-01-2008, 04:23 PM
| | Member
I am a: Type 1 | | Join Date: Jul 2004 Location: Livonia, MI
Posts: 447
| | Quote:
Originally Posted by BlueSky Carbs send my BG through the roof in the morning, so I eat a very low carb breakfast. I am able to deal with carbs a lot more easily at lunch time, when I eat fruit or something starchy. I limit carbs at night because I want my BG to be stable and in the target range when I go to bed. | Agreed! Breakfast is the worst! One serving of low cal yogurt is about my breakfast... Sometimes I have a mini-bagel, whole grain with some egg and cheese.
Today was bad... a yogurt w/berries and a muffin from Tim Hortons... bad spike! And to think... I only went for a coffee! I will call it a treat though...
Evening is bad too... which is even harder, coz I love to snack in the evening. Peanuts and cheese only sound good for so long!
Glad I am not alone...
I did just get finished splitting a just under a cord of logs (6-7:15 PM), so a nice starchy treat is in order!
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<scott>
<T1 for 20 years - Clear Paradigm 722 w/ CGMS>
<4.23.08 A1C --> 6.2>
<1.23.08 A1C --> 6.5> |
05-01-2008, 06:03 PM
|  | Senior Member
I am a: Type 1 | | Join Date: Aug 2007 Location: Royal Oak, Michigan
Posts: 599
| | | The graph shows the truth about a common misconception: that a non-diabetics bgs are steady all day. I know a number of people that exhibit hypo symptoms (usually shaky or weak) if they have gone a long time without eating such as skipping breakfast.
Yeah, my problem is my love of carbs too. If I would just be better about bolusing 10-15 minutes for at least a part of the carbs, I'd be better off. I do have my sensor set at 130 now. Started at 200 last August, then 180, then 160, 150, 140 now to 130. For the most part I've seen my spikes stay lower and not last as long. I owe a lot of this to using the sensor on a regular basis. Starting to see the drop in my A1c according to monthly home tests. I now look forward to the first of every month when I can check it again.
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Type 1 since 1984
MM 722 and CGMS
Symlin (when I feel like it)
Vitrectomy on the right 5/07 and left 7/07
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05-01-2008, 06:25 PM
| | Member
I am a: Type 1 | | Join Date: Jul 2004 Location: Livonia, MI
Posts: 447
| | Quote:
Originally Posted by RobiJo I do have my sensor set at 130 now. Started at 200 last August, then 180, then 160, 150, 140 now to 130. For the most part I've seen my spikes stay lower and not last as long. | Wow, that's great! I am still set at 200, although it doesn't get there nearly as often... My spikes are minimal with Symlin, I just forget to give it, or am too low before eating to give it...
__________________
<scott>
<T1 for 20 years - Clear Paradigm 722 w/ CGMS>
<4.23.08 A1C --> 6.2>
<1.23.08 A1C --> 6.5> |
05-01-2008, 07:11 PM
| | Senior Member
I am a: Type 1 | | Join Date: Aug 2007 Location: Royal Oak, Michigan
Posts: 599
| | Quote:
Originally Posted by solox316 Wow, that's great! I am still set at 200, although it doesn't get there nearly as often... My spikes are minimal with Symlin, I just forget to give it, or am too low before eating to give it... | It's set at 130...that doesn't mean it's not alarming constantly! I also have it set for only 30min snooze. I was finding that it would hit the high alarm and keep going up up up, so I set it to a short 30min. I almost want a second alarm point, I'd put one at 130 and the other around 180 or 200. That one would scream YOU DIDN'T COUNT YOUR CARBS RIGHT!!!
__________________
Type 1 since 1984
MM 722 and CGMS
Symlin (when I feel like it)
Vitrectomy on the right 5/07 and left 7/07
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05-05-2008, 07:48 AM
|  | Member
I am a: Type 2 | | Join Date: Mar 2008 Location: Alabama
Posts: 349
| | | Great graph! Thanks for posting it. My DH isn't diabetic, but if he goes too long without eating, he gets all the symptoms of a hypo--particularly the grouchy part!
Right now, and in general, my BG gets back to pre-fasting levels fairly quickly, usually 3-4 hours PP. Again, can't say it happens every time, as is usually the case with this disease, but it does happen most of the time.
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Glycemic impact diet
exercise
Metformin 2000 mg
Enalapril 40 mg
A1C, 5-1-08: 5.6!!
A1C, 2-5-08: 7.4  |
05-06-2008, 11:14 AM
| | Member
I am a: Type 2 | | Join Date: Apr 2008 Location: Roanoke, VA
Posts: 123
| | I think the worse one is the hypo migraine. I used to get them before the days of so much easy to carry food. All the prepackage stuff makes not going too low a lot easier. It was a number of years into my marriage before my husband really believed going too long without food was one of the triggers for the migraines. Now he says, Jan go eat something.
My diabetic ed person did some neat charts from my meter last week. Don't know if you have the software with your meter or not by it was interesting all the different facts she charted. Me I just keep up with the #s on a piece of paper.
__________________
Janlaton
type 2 40 years
Avandia, Glipzide & Metformin
Grandmother to 4 wonderful children
I have diabetes, It does not have me!
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