However she does show an average glucose level of 4.7 mmol/L over the 24 hrs which is equivalent to an HbA1c of 26.3Also no HbA1c from the subject simply the assumption that because she runs marathons she can't be on the diabetic spectrum?
Non-diabetic or simply undiagnosed? I suppose we'll never know. Spikes of up to 11 are possible in a non-diabetic after high carb intake, so if those peaks above 6 coincide with consuming carbs, there's nothing here that should ring alarm bells. The 4.7 mmol/L average would predict an HbA1c well below the threshold for diagnosing pre-diabetes.It's really hard to draw any conclusions based on all the missing data that has already been pointed out (Especially the person's insulin levels) and the fact this is just a 24hr profile of just one individual. There is also the issue of there is no proof that she does or doesn't have diabetes. Seems to be an assumption that she doesn't.
I do agree with the part you pointed out about time in range and monitoring expectations.
I am currently trying to research into the possibility that some endurance athletes have either fluctuating or high Blood sugars either naturally or due to their endurance fitness - theres not a great deal of information out there about it.
I think this is just a body doing what it's meant to: it responds to heavy physical demands are being made of it, by making sure plenty of energy is available as sugar in the bloodstream.https://twitter.com/DocRunner1/status/1163546529715621888/photo/1
There's a Twitter thread of a Doc who runs & noticed a sharp spike on his CGM.
Non-diabetic btw.
Interesting article -
I was advised in 2014 that I was prediabetic with a Hba1c of 42 - it has varied over the last few years between 42 and 45 - Having just recently been tested again at 45. I am athletic, not overweight, eat healthily and generally lower on carbs than most - I train 12 plus hours a week and compete in long distance running and triathlon events - I have in the past looked at my blood sugar levels with a glucose meter and generally it is my morning fasting that has been high, usually around the 6 to 7 - I decided to purchase a Freestyle Libre to see what was going on during the night - In my first week it showed that I had a couple of very low readings in the early hours followed by a rising reading to the usual highs when I woke. (I might upload a few of the daily graphs)
I am currently trying to research into the possibility that some endurance athletes have either fluctuating or high Blood sugars either naturally or due to their endurance fitness - theres not a great deal of information out there about it.
Any pointers in the direction of additional info or research would be great. Its a personal thing for me to find out what is going on with me. Unfortunately the info provided by my GP isnt great as they say I am prediabetic and should keep active, eat healthy etc and to be mindful - but I do this anyway and my Hba1c isnt improving and my morning levels are fairly constant.
I get the same thing ,spike when i lift,at the end of program when i go on tredmill or bike drops betwen 20-22I think this is just a body doing what it's meant to: it responds to heavy physical demands are being made of it, by making sure plenty of energy is available as sugar in the bloodstream.
While using Libre, I noticed that light exercise (pedalling my e-bike) tended to spike me quite badly, whereas more intense exercise (getting my pulse over 140 and breaking a sweat on my exercise bike) didn't. I suspect that, in both cases, my body responds to being exercised by releasing sugar. The intense exercise actually uses that sugar, whereas the light exercise doesn't, leaving an excess to accumulate.
Funnily enough, driving often seems to spike me in a similar way. As though my body is preparing for exercise, even though there's no significant physical exertion involved.
I thing i got it ,exercies without breakfast ,heavy lifting ,shoulders +abs 45 min /40 min tread mill afterwords ,started execise around 9 finish around 11:45 ,i think ,without eating liver starts producing sugar when you lift heavy ,and consume that sugar very fast when cardio ,so i think best is to have breakfast ,not to creazy with carbs (max 15 g my case ) wait 40-50min then exercise ,any thoughts anybody ?!?I get the same thing ,spike when i lift,at the end of program when i go on tredmill or bike drops betwen 20-22
The Zoe Study has done extensive research into nutrition recently which is how I came to use the Libre. My non-diabetic daughter was a guinea pig and her results were astonishing. She encouraged me to get one and I have done so ever since.No-one seems to have done all that much research on what "normal" looks like as shown by CGM - the attached is an exception.
Continuous Glucose Profiles in Healthy Subjects under Everyday Life Conditions and after Different Meals - PMC
This study investigated continuous glucose profiles in nondiabetic subjects. Continuous interstitial glucose measurement was performed under everyday life conditions (2 days) and after ingestion of four meals with standardized carbohydrate content ...www.ncbi.nlm.nih.gov
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