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My Life on the Medtronic MiniMed 670G Insulin Pump and More.

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Tunable Settings in Auto Mode for the MiniMed 670G

Tuning Auto Mode for the Medtronic MiniMed 670G is just like tuning an engine. Changing one setting throws off the other settings

Getting Auto Mode settings just right seems to be a balancing act – more fine tuning than just dialing settings up or down

When it comes to Auto Mode for the MiniMed 670G, tuning the settings to get as close to your sugar targets feels a little more complicated as compared to the manual mode. This is because the closed loop system has a feedback mechanism which will likely throw-off one setting when you change another.

In the course of your day, the system is performing a balancing act between bolus and basal to keep you as close to Auto Mode’s fixed and preset BG target of 120mg/dL by introducing a third input – the micro bolus.

When it is all said and done, the user has control of  two settings only, namely Carb Ratio and Active Insulin time.

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How often Do I Change my Infusion Set?

I have used the MiniMed Quick Set Paradigm infusion set for the last couple years. Medtronic recommends that one changes their infusion set every 48-72 hours.

I am the kind of person who questions why I have to do an oil change every 3000 miles and not 5000 miles but think for the 670G it is important to follow these guidelines.

Any blockage on your infusion set and subsequent high glucose readings will most likely throw Auto Mode and it will take hours before you can go back into Auto Mode. This is such a pain especially in the middle of the night since you will also receive a barrage of notifications to rectify the situation.

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