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[IP] Insulin Delivery/Absorption Problems

Hi folks,

I have been having a terrible time with my blood sugars over the last week 
and a half and I'm hoping one of you may be able to help me.

My tale of woe begins on Friday, March the 28th.  That day I received 
several no delivery alarms from my pump.  But once I cleared the alarm and 
reset the remaining bolus amount everything was fine.  The insulin was 
apparently all delivered and my blood sugars were great.  I changed my 
entire site as soon as possible to find no apparent problem with the 
cannula (kink, bend, or blood). Same thing happened the next day.  Followed 
the same routine. On Sunday I received another no delivery alarm, but this 
time no insulin was delivered.  When I cleared the pump and reset the 
remaining bolus amount I received another immediate no delivery 
error.  Again, I changed my site as soon as possible and found no apparent 

Since that time I have changed my site at least once and sometimes twice a 
day.  I have not received a no delivery alarm, but I can't for the life of 
me get my blood sugar below about 200 or so without resorting to 
shots.  (Shots work fine, by the way, so I don't think it's an insulin 
resistance- catching the flu-, or hormonally-induced-type problem.)

I have used a different lot number of reservoirs.  I have used a different 
lot number of Silhouettes. I have selftested the pump and found no 
problem.  When I do a tubing clamp I do get a no delivery alarm at between 
0.7 and 1.5 units.

The only commonality I have found in all these site changes is that when I 
remove it, the used cannula always has little bubbles in it, indicating--I 
think--that no insulin has been delivered for some time.  When I prime the 
disconnected site the cannula fills up and the bubbles disappear.

Oh, and by the way: Hate it!!! Hate it!!! Hate it!!! Hate it!!! Hate it!!!

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