Type How it works When to use it
Square
Wave
™
Delivers a single bolus
evenly over an extended
period of time
(30 minutes to 8 hours).
You might use a Square Wave bolus:
• If you have delayed food digestion due to
gastroparesis or meals high in fat.
• When snacking over an extended period of
time.
• If a Normal bolus drops your blood glucose
too rapidly.
For details about using the Square Wave
bolus feature, see Square Wave bolus, on
page 76.
Dual
Wave
™
Delivers a combination
of an immediate Normal
bolus followed by a
Square Wave bolus.
You might use a Dual Wave bolus:
• When you eat meals that are both high in
carbs and fat which may delay digestion.
• When your meal bolus is combined with a
correction bolus for an elevated blood
glucose.
For details about using a Dual Wave bolus,
see Dual Wave bolus, on page 79.
Bolus type example
The following example shows how the different bolus types work.
Hours
Hours
0 1 2 3
Hours
Units of insulin
Normal (N) bolus
0 1 2 3
0 1 2 3
Bolus
over time
Bolus
now
Bolus
now
Square Wave (S) bolus Dual Wave (D) bolus
Bolus
over time
60 Chapter 4
MP6025957-024 / A
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