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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 at 70 mg/dL (3.9 mmol/L), which is below his Low BG target 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* units (active insulin)
= -0.5 units+
(correction estimate)
= 4 + (-0.5)
= 3.5 units
bolus estimate
3.9 mmol/L - 5.0 mmol/L
2.2 mmol/L/u
= -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 Wizard feature calculations.
Using the Bolus Wizard feature 85