
Example 5: Blood glucose below target (low blood glucose) with active insulin
Another day at school, Michael is getting ready to eat lunch. He tests his blood glucose with his meter
and finds it to be at 70 mg/dL (3.9 mmol/L), which is below his Low BG T
arget of 90 mg/dL (5.0
mmol/L). His reading is automatically sent to his pump.
When prompted by the Bolus Wizard feature, he enters his carbohydrate amount of 60 grams in the
ENTER FOOD screen. Based on his settings, and despite 1.5 units of active insulin, his pump will suggest
that he take 3.5 units of insulin.
(food estimate)
60 g
15 g/u
= 4 units
- 0* units (active insulin) = 0.5 units
+
(correction estimate)
= 4 + (-0.5)
= 3.5 unitsbolus estimate
3.9 mmol/L - 5.0 mmol/L
2.2
mmol/L/u
- 0* units (active insulin) = 0.5 units
70 mg/dL - 90 mg/dL
40 mg/dL/u
NOTE: *When the current blood glucose is below the target low blood glucose, the active insulin
amount is not considered in the Bolus W
izard feature calculations.
Using the Bolus Wizard feature 89
Chapter 6
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