12 Understanding PDM and Pod Function
1.0
0.8
0.6
0.4
0.2
0
12 am
1.0
0.8
0.6
0.4
0.2
0
12 am
The calculations for the 50% increase temp basal in the preceding figure are:
Segment
boundaries*
Midnight–7:00 am
7:00 am–10:00 am
10:00 am–2:00 pm
2:00 pm–4:30 pm
4:30 pm–midnight
* Segments are defined by the currently scheduled Basal Program.
140
Temp basal set to U/hr
set to 0.9 U/hr
12 am
Noon
Temp basal set to %
50% increase
12 am
Noon
Temp basal from 7 am to 4:30 pm
Basal Program
Actual insulin delivered
Basal rate of
50% increase
Basal Program
(U/hr)
(U/hr)
0.20
0.20
0.20 x 50% = 0.10
0.60
0.60 x 50% = 0.30
0.30
0.30 x 50% = 0.15
0.30
set to 0.1 U/hr
12 am
Noon
50% decrease
12 am
Noon
Resulting temp
basal rate:
(U/hr)
0.20 + 0.10 = 0.30
0.60 + 0.30 = 0.90
0.30 + 0.15 = 0.45
12 am
12 am
Effective Date: 18OCT2020, PCO-000235