Dexcom G7 User Manual page 14

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Indications for use
The Dexcom G7 Continuous Glucose Monitoring System (Dexcom G7 CGM System or
G7) is a glucose monitoring system indicated for continuously measuring glucose in
the interstitial fluid in persons age 2 years and older, including pregnant women. The
Dexcom G7 CGM System is designed to replace fingerstick blood glucose (BG) testing
for treatment decisions.
Interpretation of the Dexcom G7 CGM System results should be based on glucose
trends and several sequential sensor readings over time. The Dexcom G7 CGM
System also aids in the detection of episodes of hyperglycemia and hypoglycemia,
facilitating both acute and long-term therapy adjustments.
The Dexcom G7 CGM System is intended for use by patients at home and in
healthcare facilities.
Contraindications
No MRI/CT/diathermy — MR unsafe: Don't wear any Dexcom G7 CGM
System component during magnetic resonance imaging (MRI) or
high-frequency electrical heat (diathermy) treatment. However, it's safe to
have a CT scan if you keep the sensor out of the scanned area and cover the
sensor with a lead apron during the scan.
The Dexcom G7 CGM System hasn't been tested in those situations when used during
an MRI scan, diathermy, or in the scanned area of a CT scan. The magnetic fields and
heat could damage components of the Dexcom G7 CGM System, which may cause
inaccurate sensor readings or prevent alerts. Without sensor readings or alerts, you
might miss a severe low/high glucose event.
Warnings
Read product instructions before you use your Dexcom G7 CGM System
Don't ignore low/high symptoms: Use your BG meter to make treatment decisions
when your sensor readings don't match your low/high symptoms. If needed, seek
immediate medical attention.
6
MR

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Questions and answers

Clare C Hybbert Jr
February 8, 2025

changed sensor, it paired but get a message sensor failed start new sensor

1 comments:
Mr. Anderson
February 11, 2025

The Dexcom G7 sensor may show a failure message after pairing due to issues such as using an outdated sensor version that is not compatible with certain devices, signal loss, or sensor adhesion problems. If pairing with a Tandem hybrid closed-loop system, an older Dexcom T7 version may cause an error message like "sensor not started 43t." Checking the sensor's LBL number and ensuring compatibility can help resolve the issue. If the problem persists, contacting Dexcom for a replacement may be necessary.

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Patricia
February 7, 2025

How long after eating does readings reach the sensor?

1 comments:
Mr. Anderson
February 10, 2025

The Dexcom G7 sensor measures glucose in interstitial fluid, not blood, and glucose levels in interstitial fluid can lag behind blood glucose levels, especially when glucose is changing rapidly. This means that after eating, the sensor reading may take some time to reflect actual blood glucose changes. The exact time can vary, but differences are more noticeable when glucose levels are rising or falling quickly.

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Shari , SC
February 21, 2025

Wait time between showing & inserting new G7 sensor

User image 67b7d3c105dd5
1 comments:
Mr. Anderson
February 21, 2025

The Dexcom G7 sensor has a 12-hour grace period at the end of its session, allowing time to replace the sensor. After inserting a new sensor, there is a sensor warm-up period before readings and alerts begin.

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Janice smith
March 24, 2025

Power off is where

1 comments:
Mr. Anderson
March 24, 2025

The power off button on the Dexcom G7 receiver is the right button with a circle on it, also known as the Select button.

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SCOTT ADAMS
May 2, 2025

How to change zone settings in G7 on Android phone app?

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