I don’t want to seem lazy this week, but I’m headed on vacation for five days or so, and I’m hoping that you find my e-mail communication with my endocrinologist interests you somewhat.
(This is nothing critical or time-sensitive.)
In the four days since my visit with you on Monday, an odd insulin thing has happened: I have had to cut my total daily basal rates pretty much in half to keep from going low (and I’ve been very diligent and haven’t had any dangerous lows). So, what prior to Monday was a basal of something around 17–19 units daily is, as of last night (because I keep adjusting the rate waiting for my blood glucose to run higher), 7.9 units daily. Yes, that’s right.
I’ve also pretty much stopped bolusing for meals, too: the highest I’ve gone two hours postmeal is 150 mg/dl. For example, yesterday for lunch I had a turkey sub, about 60 carbs, and I didn’t bolus. Ended up two hours later in the 130s. After three hours, was back around 90. Last night while out with friends, and discovering I was at 73, I grabbed a coke from the bar, about ten ounces, and after forty-five minutes, the blood glucose was 77.
I’ve speculated with Kathryn and several friends about this, and really, at this point, after four days only, there are too many variables to pinpoint.
• I’ve contemplated the infusion site (lower on my abdomen, near hip) but I’ve changed that in the last 24 hours and it doesn’t seem to have made a difference. I adjusted my bolus ratios earlier in the week, but pretty much gave up bolusing until I find myself jumping up near 200 after meals (better of course to be there than in the 30s of 40s!).
• I thought maybe it was a vial of insulin, and that the previous vials weren’t as strong, but the last two reservoir changes were toward the end of last week and then again on Tuesday, and I can’t recall if they were from different vials. However, I suspect that the insulin’s pretty standard and doesn’t deviate (has to be, right?).
• My workout routine is one potential culprit, although the only alteration I’ve done has been to increase weight and slightly add to my lifting routine, as of the end of last week. I did not workout yesterday, though, and still these low blood glucose readings continue, and steadily: my glucose isn’t dropping precipitously at any point. It just seems to me that the previous basal rates aren’t needed.
Is this something like a second honeymoon period? Does that happen? I’m all for having lower basal rates and less bolusing, if this levels off. But the guessing at present, and the interruption to sleep patterns due to my insistence of having carbs in my system before going to bed because of the double-digit readings, as well as getting up a couple of times at night to check my blood glucose… well, it’s all rather bizarre. Really bizarre. Kathryn’s joked that I’m cured. But we know that’s a joke. 🙂
I know that without vigilance in monitoring this, without adjusting the basal levels, and such, that this could be dangerous, but I’m not worried about dangerous lows, not yet. I’m simply testing an awfully lot (I mean, something like over twenty times daily to keep tabs).
Thanks in advance!
My doctor responded to this with essentially the following information:
If you’ve otherwise been feeling well, the probable culprit is physical activity. Is it possible that you’ve increased your overall level of exercise, e.g., increasing the frequency and/or intensity? I appreciate that you’re lifting more weight and adding a little more to your lifting routine, but is there an overall increase in frequency? Intensive physical activity on a regular basis can increase insulin sensitivity and lower insulin requirements (we see this with many people during the summer), but usually this change is gradual rather than sudden.
I doubt that it’s your infusion sites or insulin — that would be very, very unusual to have a change of this degree (especially with insulin, whose concentration is strictly regulated).
And, in truth, I think that the exercise intensity is what it was. I didn’t increase frequency, but I had increased the intensity.
I’ve found my way back to more normal blood glucose numbers. As I prepare to embark on my trip, I’m working on bringing down slightly higher numbers rather than trying to bring up lower numbers, and that allows me to sleep a little easier at night.
Source URL: https://www.diabetesselfmanagement.com/blog/correspondence-about-my-lows/
Eric Lagergren: Eric Lagergren was born in 1974 but didn’t give much thought to diabetes until March 2007, when he was diagnosed with Type 1. He now gives quite a bit of thought to the condition, and to help him better understand his life as a person with diabetes, he writes about it. Eric is the senior editor for the Testing Division at the University of Michigan’s English Language Institute in Ann Arbor. (Eric Lagergren is not a medical professional.)
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