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Originally Posted by playgtar When I got my pump, they set my duration at 3hrs. So that's when I try to test. That way I don't have any insulin on board, and can see if I've dosed correctly. Then I can make a correction if needed. It's just what works for me. I have tested at 2 hrs in the past. I'm almost always under 200 at 2 hrs, so I like to see if I'm in my range at 3 hrs, when my insulin has supposedly reached its duration. |
Keep in mind that your bolus insulin really lasts about 5 hours. The tail is usually truncated when you set your duration, but it does have a slight effect still. Something to remember when doing a correction bolus close to bedtime.
It seems that most of the pumpers on the forum set their duration for 3-4 hours. I started a poll recently and it can be found
here. The poll was done for Novalog. I've tried Humalog and Novalog while on MDI and I thought the Novalog had a slightly longer duration for me. I recently changed my pump duration for the Novalog from 3 to 3.5 hours and I'm having less lows now while on the pump. I still test at 2 hours and I will do a correction if the IOB wizard says it is ok to do so.
