Understanding Finger Pricks for Dexcom CGM Users

Mark LorberbaumAugust 11, 2024

For those living with diabetes, Continuous Glucose Monitoring (CGM) systems like the Dexcom CGM have been game-changers. These devices provide real-time data on glucose levels, reducing the need for frequent finger pricks. However, there are still moments, when a Dexcom CGM user might need to test their blood glucose manually. Here's why, when, and how often this might be necessary—and how the Digivibe device by Suthe Dermal can make these finger pricks virtually pain-free.

Why Do You Need Finger Pricks with a Dexcom CGM?

Dexcom CGMs are incredibly accurate and reliable, but they aren't perfect. There are specific situations where a finger prick test is still recommended:

  1. Calibration (For Certain Models): While newer models like the Dexcom G6 don't require calibration, some older versions may ask for occasional calibrations to ensure accuracy. This involves taking a finger prick and entering the glucose reading into the device.
  2. Sensor Warm-Up Periods: During the warm-up period of the Dexcom sensor, no glucose readings are available. A finger prick may be necessary if you need to monitor your levels closely during this time.
  3. Symptoms Don’t Match Readings: If your symptoms (like dizziness, sweating, or confusion) don't align with the CGM readings, it's essential to double-check with a finger prick to ensure your blood glucose is at a safe level.
  4. Sensor Issues: If your CGM sensor is malfunctioning or has been dislodged, the data might be inaccurate. A finger prick test can help verify your blood glucose levels until the sensor is replaced.
  5. High or Low Alerts: While Dexcom CGMs provide alerts for high or low blood sugar, extreme readings may need confirmation via a finger prick, especially if the alert doesn't align with how you’re feeling.

How Often Will You Need Finger Pricks?

The frequency of finger pricks varies depending on the user’s specific circumstances:

However, for many Dexcom CGM users, finger pricks become an infrequent task, mainly for verification or in special circumstances.

Making Dexcom CGM Finger Pricks Pain-Free with Digivibe

While the number of finger pricks required for Dexcom CGM users has decreased, the discomfort they bring is still a concern for many. That’s where the Digivibe device by Suthe Dermal comes in.

Digivibe uses advanced vibration technology to block pain signals from reaching the brain, allowing you to experience virtually pain-free finger pricks. Here’s how it works:

  1. Place the Digivibe Device:** Simply position the Digivibe on your fingertip before performing the prick.
  2. Activate the Device:** Turn on the Digivibe, which will start vibrating and blocking the pain signals.
  3. Perform the Prick:** Proceed with your glucose test as usual. The vibrations work to reduce pain and discomfort during the process.

For Dexcom CGM users, finger pricks remain an occasional, but necessary part of diabetes management. Whether it's for calibration, symptom verification, or sensor issues, these checks ensure the accuracy and reliability of your glucose monitoring. With the Digivibe device by Suthe Dermal, you can make these finger pricks a pain-free experience, adding comfort and ease to your diabetes management routine.

Stay on top of your health without the discomfort—let Digivibe make every finger prick virtually pain-free.

Learn more about the science behind Digivibe.

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