Double arrows pointing down on your pump is never a good thing especially if the number is 65. But towards the end of life the guardian CGM sensor, it is especially important to counter-check this reading against a BG meter reading.

It is quite common for the sensor to yo-yo between lows and highs especially on the last days of its life (displaying double arrows due to false positives and negatives in current readings).

In fact, this instability is normally a signal it is time to change your sensor especially if the numbers do not match BG meter readings.

Decided to counter-check sensor BG before treating low .