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Delivering a Bolus 1616 Delivering a Bolus
16.2. Delivering Immediate and Extended Boluses
A bolus is an extra dose of insulin that is delivered in addition to the continuous
basal rate of insulin delivery. Use boluses to cover the carbohydrates in a meal and/
or bring down a high glucose level.
You have the option of delivering the entire bolus at once. is is referred to as
an “immediate bolus” or, simply, a “bolus”. In Manual Mode, you can also spread
out the delivery of all or part of a meal bolus so that it is delivered steadily over a
specied period of time. is is referred to as an “extended bolus”.
You may want to extend a bolus if your meal contains high-fat or high-protein
foods. ese foods slow down digestion and therefore slow down the post-meal
rise in your glucose.
5.0
1.0
2.0
3.0
4.0
0
Midnight Midnight6 am 6 pmNoon
Basal Programme
Extended
bolus
Bolus
(immediate)
Insulin infusion (U)
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