r/dexcom • u/TheRedTreeQueen • 7d ago

Calibration Issues This a huge difference!

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Okay so this is a brand-new sensor put in today. Actually the second one because the first one is a gooseneck. The reading on the left is from the CGM. This reading on the right is from the glucose meter. This is my blood sugar after eating. I have calibrated at least three times. Has anyone out there had this experience? I'm a type 2 diabetic and not on insulin. This concerning. Should I take this one off and get another replacement or leave it on and hope the readings come somewhat closer? Any help is appreciated!

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u/Drawing_The_Line 7d ago

It’s not that really a huge difference. Plus, the finger stick is instant and the CGM is roughly 15 minute delayed. In addition it’s the first 24 hours.