Replies to This Discussion

Permalink Reply by Jared on July 20, 2011 at 6:36pm

Thanks for the tip Gil DePaula.

I went back in and added that ability to suggest your own Blood Glucose level. That was a good idea. I need more constructive criticizm like that. really helps.

Free Insulin & Carbohydrate Calculator

Thanks again...

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Permalink Reply by Holger Schmeken on July 21, 2011 at 12:59am

For ideas I would recommend our project www.glucosurfer.org ;-)

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Permalink Reply by Gil DePaula on July 21, 2011 at 7:38am

Hi Holger,
It's nice to see how your project is moving forward, since we last spoke. Thanks for sharing the link again. Keep us updated once in a while.
Gil

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Permalink Reply by Gil DePaula on July 21, 2011 at 8:08am

No problem. Try hosting it at a website that uses banners but doesn't have pop-ups. That will be more pleasing to users.

More suggestions:

1. You may want to ask if the person is going to exercise and provide 4 levels of input: 1-light, 2-medium, 3-high 4-extreme, or similar. You can then deduct 0.5 U x Level from the total, or an amount that you think is better. If they leave it blank or enter 0 then nothing gets subtracted.

2. You can also add an insulin on board (IOB) calculator, then subtract the IOB from the suggested bolus (or adding to the meal).
Parameters:
-Insulin action duration: 1 to 6 - (in hours) - typical
-Past bolus amount (in U) during the insulin duration period, and how long ago it was - (in hours)
Calculation:
- Proportionately decrease the IOB amount from the last bolus over the insulin action duration.
Example: Duration = 4 hours, Bolus of 5 units 2 hours ago, means IOB = 2.5 U

Good luck and have fun!

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Permalink Reply by Jared on July 21, 2011 at 10:41am

Those are ALL great suggestions Gil but you must remember that it is supposed to be a SIMPLE basic calculator. It's not so simple and easy to use if every time you use it you must input so much information. It was basically written so that I wouldn't have to stop and think to calculate insulin when the ratios are at "not so easy to calculate" numbers. I've found that when I have numbers like 32 or 13 I tend to round which makes the final result inaccurate. This was a way to keep that from happening. I will probably work on adding the suggestions you've mentioned just because I can't keep from doing it but I will not put those changes into this program.

Free Insulin & Carbohydrate Calculator

Thank you again for your criticism. It really does help.

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Permalink Reply by Jared on July 21, 2011 at 12:50pm

IT LOOKS AND WORKS GREAT ON THE IPHONE

Free Insulin & Carbohydrate Calculator

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Permalink Reply by Gil DePaula on July 21, 2011 at 12:52pm

Sorry, Jared. The suggestions were for you. i posted it at the wrong location. :)

Yes, it makes it more complicated. You could split them into 2 calculators. One would be an IOB calculator, and the other would be a Bolus Calculator. The result from the IOB one could be entered as an input to the other, if the user wants to.

Cheers.

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Permalink Reply by Jared on July 21, 2011 at 1:40pm

Another great idea Gil. I'll look into that also. I would also like to incorporate some kind of slider type interface for the glucose and carb values but that may be beyond my current set of skills. I've taught myself a lot already so nothing is impossible.

Thank you again.

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Permalink Reply by Joe on July 22, 2011 at 8:11am

It's been along time since I started this discussion, and I wanted to say that I'm incredibly impressed by what has been developed. I hate to admit that I bowed out of this forum quite some time ago, but it was because I became so frustrated with what I COULDN'T do. As I result, I put my work into other development projects, and I thought it was best to back away and see what someone could do.

PLEASE keep up the good work!

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Permalink Reply by Gil DePaula on July 22, 2011 at 8:45am

Hi Joe,
It's great that you started this discussion!
Thanks!

Jared,
If you want to keep on doing this and more:
Pancreum has 8 FREE iPhone/iPodTouch apps available at the AppStore. They are simple tools/calculators for Bolus, Basal rates, IOB, HbA1c, conversion between mmol/l and mg/dl, etc. Just go to the AppStore, search for PANCREUM and download them for FREE. You can use them as ideas to develop new web-based ones like this one you have.
Also, I just noticed a limitation with your calculator. It only suggests whole units of insulin (5 U, 7 U, etc). It should suggest a value with at least one decimal position (3.8 U, 2.3 U, etc).

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Permalink Reply by Jared on July 22, 2011 at 2:48pm

I have seen the apps in the AppStore. That is how I first became aware of Pancreum and was surprised that I hadn't heard anything about it before. I can't wait to see what Pancreum can do.

The limitation was put in the original program that I'd written for myself because I have been on injections for 27 years and never saw a need for a fraction of a unit. I'm still not sure how insulin is measured and calculated while using a pump but I will be starting my OmniPod next week and will start to learn. I will add 1 or possibly 2 decimal places as I've seen 2 in some of the OmniPod training videos that I've watched.

Again, Gil, thank you and good luck with Pancreum. I can't wait to see it.

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Permalink Reply by Gil DePaula on July 23, 2011 at 8:21am

Cool!

The insulet OmniPod calculates a bolus in the same way we've been discussing. The only difference is that it only counts correction boluses in the IOB calculation. It does that because it considers that a carb bolus cancels out with the meal carbs, and therefore shouldn't be considered IOB.

Thanks for the best wishes.

Cheers,
Gil

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