
Chapter: 6
Optimizing pump therapy
Square Wave and Dual Wave boluses
Square Wave bolus delivers a bolus evenly over a period of time (30 minutes to
NOTE - During delivery of a Square Wave bolus, you will not be able to do the following pump functions: change the max bolus amount, disable or deliver dual and Square Wave boluses, do a fixed prime or rewind, change the active insulin time, run a
Dual Wave bolus delivers a combination of an immediate normal bolus followed by a Square Wave bolus. The Square Wave portion is delivered evenly over a period of time. A Dual Wave bolus is useful for meals with both rapidly and slowly absorbed carbohydrates. For example, a Dual Wave bolus would be appropriate for fruit and crackers followed by pasta. The Dual Wave option meets both immediate and extended insulin needs. A Dual Wave bolus is also useful for correcting elevated blood glucose before a meal.
This graphic shows: See the following graphic for a description of the different bolus types:
Entire bolus amount delivered immediately.
| Part of the bolus amount delivered |
Bolus amount delivered evenly | immediately. Remainder delivered |
over specified time period. | evenly over time period |
INSULIN
NORMAL
BOLUS
1
SQUARE WAVE
BOLUS
2
TIME
| DUAL WAVE |
| BOLUS |
Now | 3 |
Portion | |
| Square |
| Portion |
Optimizing pump therapy 83