CGM calibration reminders

Most CGMs (Continuous Glucose Monitors) require calibration by comparing with BG fingerprick samples. These help ensure that the numbers the system reports are a good analog for your current blood glucose. If left uncalibrated for too long the values can drift from reality, but the speed of this drift varies across systems. I wrote earlier …

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CGM accuracy – Calibration is King!

Over the years I’ve spent some time living with multiple CGM systems: Dexcom G4 and G5 Medtronic Guardian2/Enlite (640G pump) FreeStyle Libre FreeStyle Libre with Spike/xDrip+ Incidentally for the purposes of this technical discussion, the Libre is a Continuous Glucose Monitor. Any lack of alarms/etc does not change this, even if “Flash” monitoring doesn’t have …

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Connected BG meters

Blood glucose meters are an essential tool for anyone with diabetes. Even those of us using Continuous Glucose Monitors need to manually check every now and then (e.g. to regularly calibrate the CGM). I’ve used many different meters over the years, but this isn’t going to be a history lesson. It’s more about some of today’s …

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