When to NOT give insulin?

  1. 0
    I need some help understanding insulin therapy. Evidently, I need a lot of help. How do I understand the effect of different types of insulin on blood sugar? And how do meals and meal times relate?
    I can't give insulin to a patient if I don't know when to withhold it!
    This will probably be a long answer but I would really appreciate it if someone would take the time.

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  2. 21 Comments...

  3. 2
    This may help, at least a little bit

    http://diabetes.webmd.com/treating-diabetes-insulin

    Is there a children's hospital where you live? I know the one I'm volunteering at has diabetes educators that work with newly diagnosed Type 1 diabetes patients. I'm sure they could answer all of your questions in detail!
    ankagor and natrgrrl like this.
  4. 4
    here's another link:

    Understanding Insulin

    http://www.diabetesselfmanagement.co...ng_Insulin/All

    once you understand the onset/peak/durations of ea insulin, you will gain a much better understanding on how these correlate w/meals and snacks.

    leslie
    Becster, ankagor, natrgrrl, and 1 other like this.
  5. 5
    While it is important to know all the different insulins and times of action, peaks, etc, you should also listen to the pt. Many of the pts who will need insulin will have been taking insulin for a long time and will know their own body. Some people have huge drops in blood sugar at night, and so will not want to take insulin at night. For example, I had a pt the other day who had a blood sugar of 152, and according to her SSI, she was to get 4 units of regular. She didn't want to take it because sometimes her sugar goes into the 40s over night. I didn't argue with her, and sure enough, even without the insulin, she was 64 in the am. Had I given her the insulin, she may have dropped way lower and had problems. It doesn't feel good to have your sugar too low! Then some people are more sensitive to insulin than others are, so moral of the story, if your pt is lucid, allow them input into their care!

    Of course, if her sugar had been 400, I would have argued a bit more about letting me give her the insulin!!!

    You should find a chart you like and carry it with you. I'll look around for mine and post it later if I can find it.
    MMARN, RN BSN 2009, JourneyRN, and 2 others like this.
  6. 5
    Quote from miko014
    While it is important to know all the different insulins and times of action, peaks, etc, you should also listen to the pt.
    Key point! Listen to your patient. Hubby constantly battles nurses when he's admitted on his insulin regiman. It's gotten to the point now that they endocrinologist just writes, "patient may take own insulin on his own schedule".
    Regardless of documented peak action times, some patients have very individual reactions to insulin.
    JourneyRN, SuesquatchRN, jnrsmommy, and 2 others like this.
  7. 0
    Miko,
    I'd like to see what chart you are talking about.

    Thanks for all the input.
  8. 1
    Most patients with insulin orders will have parameters specified, especially for sliding scale. More and more orders I see say not to give any sliding scale insulins after suppertime because of the likelihood of "bottoming out" before AM.
    SuesquatchRN likes this.
  9. 0
    natgrrl,
    I found a paper copy of my chart, but I can't find one online. I tried to type it out but it didn't look right - let me keep looking!
  10. 2
    Okay so I can't edit - here are links to a few charts. None of them is the same as mine, but they aren't bad. I wish I could find one with a graph of action times, but I can't! Also remember to take oral antidiabetic meds into consideration - especially if the pt is NPO.

    http://www.urbanext.uiuc.edu/diabetes/pdf/med/types.pdf

    http://www.northcoastmed.com/pdf/insulin_chart.pdf

    this isn't the best, but it may help a little: http://www.endotext.org/Diabetes/dia...es/figure7.png

    Sorry, I can't find the good chart! I hope these help!
    natrgrrl and ankagor like this.
  11. 3
    You do not hold long-acting even if patient is NPO (Lantus/Levimir). This is a basal insulin and the patient requires it even when not eating.

    Do not give the rapid acting insulins to KEEP blood sugar down, only to get it down rapidly or to cover the carbs in a meal. (Apidra, Humalog and Novalog). I had to ask an MD recently to re-write an order because he was using Humalog like regular insulin.

    When in doubt, ASK. Also, ask the Educator in your facility to prepare a good chart, or copy one from online, then laminate and put in each nursing station or medicine room. That alone can make a huge difference.

    BTW, sliding scale using regular insulin is "ineffective and not recommended" per ADA and AACE but many docs are still writing them. Insulin is the #1 med error drug. You are right to be proactive.
    nurse671, SuesquatchRN, and natrgrrl like this.


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