I neglected to mention that smack in the middle of our girls' big birthday bash last weekend, I tested my glucose and got a whopping 424 (!) — the highest BG result I've had since hospitalization at diagnosis. Yikes!! Wait just a minute... this can't be right. So I scrubbed my fingers with soap and hot water and tried again: 142. Can you believe it?

Well sure, there I was serving snickerdoodle birthday cakie (that's cookie-cake) with about 3 inches of rippled icing, and handling all those goopy roasted marshmellows as we squished them into chocolate-filled graham crackers to make s'mores. Oh, huge apologies for the details on these deadly goodies. But the point is, my fingers must've been coated with the stuff.

Now I don't regularly scrub my hands that well (if at all) before testing, so this was a great reminder of the Mistakes We All Can Make.

It brought me back to my interview a while back with glucose testing expert Dr. Barry Ginsberg, who had this to say:

"Washing hands is very important, because Type 1's are making insulin dosing decisions based on that number. I had an associate yelling at me once because our clinic's meter was showing her at 300, and she isn't even diabetic. Turns out she had just eaten a banana, and still had the residue on her fingers.

I like to say that blood glucose monitoring is like baking. If the oven's at the wrong temperature, the cake won't come out good."

Right. Thank you. (Why am I now thinking Hell's Kitchen?)

btw, my new Straight Up column over at dLife this month is all about "Diabetes Fingers" — how fingersticks are still a way of life despite new CGM systems, and why I'm grateful for advances in lancing technology, even though some may find this a "manufactured need." Go give it a read and let me know what you think.

And thanks again for all of your tips on more effective lancing. I must admit that improved technique has surely helped me at least as much as using a new gadget.

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This content is created for Diabetes Mine, a consumer health blog focused on the diabetes community. The content is not medically reviewed and doesn't adhere to Healthline's editorial guidelines. For more information about Healthline's partnership with Diabetes Mine, please click here.