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Meal bolus, correction bolus and insulin sensitivity
Jason is ready to eat his breakfast. He has calculated that he will need 4.0 units for his food.
He tests his blood glucose and finds that it is 200 mg/dL (11.1 mmol/L). Jason knows that his blood glucose level
is above his blood glucose target and will need additional insulin before he eats.
Jason's healthcare professional has determined the following for him:
Target BG: 110 mg/dL (6.1 mmol/L)
Insulin sensitivity
1
: 36 mg/dL (2.0 mmol/L)
Jason determines that he will need a correction bolus of 2.5 units insulin to lower his elevated blood glucose.
The 2.5 correction bolus will lower his current blood glucose of 200 mg/dL (11.1 mmol/L) to his target of 110
mg/dL (6.1 mmol/L).
• elevated blood glucose: 200 î 110 = 90 mg/dL (11.1 î 6.1 = 5 mmol/L)
• correction bolus: 90 / 36 mg/dL (insulin sensitivity) (5.0 / 2.0 mmol/L) = 2.5 units
(He will add this 2.5 correction bolus to the 4.0 units of insulin that he will need for his meal bolus. Jason will
take a total bolus of 6.5 units.)
1. Insulin sensitivity is the amount (in mmol/L or mg/dL) by which blood glucose will be lowered after taking 1
unit of insulin. Consult with your healthcare professional to determine your insulin sensitivity.
Practice: Meal bolus
You have determined your meal bolus as: _______ units.
Your target blood glucose range is: _______ to _______ (average is _______).
Your current blood glucose level is: _________.
Your correction factor is: 1 unit of insulin will drop your blood glucose _________.
You will take ________ unit(s) of insulin to correct your high blood glucose level.
Your total bolus (meal bolus plus correction bolus) is _________.
Review your bolus deliveries
You can view a list of your bolus deliveries in the BOLUS HISTORY screen. This screen shows a list of the dates,
times, units, and types for your last 24 boluses. This feature is helpful for record keeping or to check if you bolused
for your last meal.
If a bolus was stopped before delivery was complete, the BOLUS HISTORY screen will show only the amount actually
delivered. Refer to the Bolus details section for instructions about viewing bolus details.
40 Basic programming