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correction dose maths :/

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bex123

bex123

Well-Known Member
Relationship to Diabetes
Type 1
oh help!!! my maths is bad and i am struggling with how the hell i ever first worked out my correction dose , i have never changed it but after tweaking everyhing else it seems like my correction doses are wrong ( insulin sensitivity) the math doesnt make sence ! its set to 1unit reduces me by 2.5...that sent me really hypo every time i corrected! so i changed it to 1u reduces me by 3mmol .... that is still sending me hypo , the book says i have to do an equasion and the result is 1 u reduces me by 7mmol but that doesnt seem right and i dont want to have a high and stay high :( what do i do ,

what doesnt make sence is when i started the pump luckily my first basal was bang on the thing i had to change was my ratio but the original maths would have still made my correction dose 1 u reduces me by 7mmol , i think nursey did the maths wrong to start with
 
bex123 said:
oh help!!! my maths is bad and i am struggling with how the hell i ever first worked out my correction dose , i have never changed it but after tweaking everyhing else it seems like my correction doses are wrong ( insulin sensitivity) the math doesnt make sence ! its set to 1unit reduces me by 2.5...that sent me really hypo every time i corrected! so i changed it to 1u reduces me by 3mmol .... that is still sending me hypo , the book says i have to do an equasion and the result is 1 u reduces me by 7mmol but that doesnt seem right and i dont want to have a high and stay high :( what do i do ,

what doesnt make sence is when i started the pump luckily my first basal was bang on the thing i had to change was my ratio but the original maths would have still made my correction dose 1 u reduces me by 7mmol , i think nursey did the maths wrong to start with
Click to expand...

Not necessarily, we are all different. why dont you try 1 unit reduces by 7mmol, see what happens. I am 1 unit reduces by 4mmol , my consultant thinks im very insulin sensitive. But you may be more so 😱
 
Jesus, that is sensitive, you must be on just a few units here and there, oh how i envy you.......

My sensitivity changes throughout the day, being more resistant in the morning........
 
novorapidboi26 said:
Jesus, that is sensitive, you must be on just a few units here and there, oh how i envy you.......

My sensitivity changes throughout the day, being more resistant in the morning........
Click to expand...

Me too - I'm 1:3 during the day but 1:4 at night. All found through trial and error though im afraid.

Id be a little sceptical about magic formulas etc because we're all so different! But you could try somewhere in the middle (1:5 maybe?) and work from their?
 
novorapidboi26 said:
My sensitivity changes throughout the day, being more resistant in the morning
Click to expand...

Likewise - I'm on a ratio of 1u:4g in the morning, 1u:7g for lunch and 1u:10g in the evening. I'm far more sensitive to insulin during the evening so if I have to make a correction dose I'll often give a lot less than I would say during the morning.
 
Bex, how do you respond to the insulin you take when injecting at meal times?

What would you take for 60g of carbohydrate?
 
I think (?) this is the 500 rule isnt it?

You take your total daily insulin (including basal) and work out 5 days worth. Then you come to an average of the 5 days and divide that number by 500.

So if your average total daily was 25 units you would divide 25 by 500 and you get 5 - so your correction would be 1 unit brings you down 5mmols. This is only a guide so you could use it as a starting point and then tweak it from there.🙂Bev
 
The 100 rule is for working out correction doses and 500 rule for I:C ratios.

100 divided by TDD will give you a roundabout correction dose
 
Viki said:
Me too - I'm 1:3 during the day but 1:4 at night. All found through trial and error though im afraid.

Id be a little sceptical about magic formulas etc because we're all so different! But you could try somewhere in the middle (1:5 maybe?) and work from their?
Click to expand...

My ratios are different, but correction dose seems to remain the same, unless im very high then i always give a little more. I didnt even know ther was a formula to be honest.
 
sofaraway said:
The 100 rule is for working out correction doses and 500 rule for I:C ratios.

100 divided by TDD will give you a roundabout correction dose
Click to expand...

hmm, but a TDD for me would vary by so much, depending on what I eat?
 
novorapidboi26 said:
Bex, how do you respond to the insulin you take when injecting at meal times?

What would you take for 60g of carbohydrate?
Click to expand...

well i pump it , but my ratio for meal times is 0.5u for 10g carb so for 60g of chocolate would be 3u

so far now i have made the insulin sensitivity 3.5u , havent had a chance to check it though as i havent had a high yet... phoned the nurse yesterday and she thinks the same as me that the calculation does seeem really sensitive so i should just change it by 0.5 untill i get it right
 
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