How do you calibrate a dexcom g7

To Manually Calibrate the Dexcom G7 sensor: Open the Dexcom G7 app. Tap + on the top right corner. Under Add Event, Select Blood Glucose. Under Entry Type select, Use as Calibration. Enter the Blood glucose meter value (be sure to enter this value within 5 minutes of sticking your finger).

How do you calibrate a dexcom g7. Available 24 hours a day; 7 days a week. Dexcom CARE - Dexcom CGM training, software downloads, and tutorials. 1-888-738-3646. Monday - Friday 6 AM - 5 PM PST (All hours subject to change) MAT-1047. Refer to the Dexcom G7 CGM User Guide for information on Dexcom G7 accuracy, or reach out to Dexcom 24 Hour Technical Support or the Dexcom CARE team.

Tap START G7 SENSOR. ⚑ Note: If the user utilizes the Dexcom G7 mobile app, the user must start a sensor session and enter the pairing code on both the Dexcom G7 mobile app and t:slim X2 insulin pump. 4 5 Enter the code found on the side of the sensor applicator and tap to continue. ⚑ Note: If using the Dexcom G7 mobile app, the

Jul 18, 2022 ... Our Warriors, Kylene and Patrick, share quick tips for using the Dexcom G6 Continuous Glucose Monitoring (CGM) System with the t:slim X2 ...The Dexcom G7's new features and alerts make it their best cgm yet. Follow along as I show you how to use all the new controls, menus, and settings in this a...Dexcom Share and Follow app. The Dexcom G7 app allows you to share your glucose data with up to 10 designated individuals (Followers) by using the share function of the app. It’s easy to share data through the app – simply press ‘Connections’ at the bottom of the screen then Share icon and follow the onscreen instructions.Dexcom Continuous Glucose Monitoring | DexcomAvailable 24 hours a day; 7 days a week. Dexcom CARE - Dexcom CGM training, software downloads, and tutorials. 1-888-738-3646. Monday - Friday 6 AM - 5 PM PST (All hours subject to change) MAT-1047. Refer to the Dexcom G7 CGM User Guide for information on Dexcom G7 accuracy, or reach out to Dexcom 24 Hour Technical Support or the …Welcome to Dexcom Clarity, your. diabetes management application. Upload glucose data from a Dexcom CGM device and then view the data in easy-to-read graphs. You can view trends, statistics and day-by-day data and then email them to your healthcare professional -- right from the Dexcom Clarity webpage. Do not use Dexcom Clarity for …

When the Vibrate Quiet Mode is enabled, all Dexcom G7 alerts will vibrate. You can set Vibrate mode for up to 6 hours or indefinitely. The Urgent Low Soon and technical alerts will still escalate to sound if not acknowledged.One explanation may be that something is pressing on your sensor which can affect your Dexcom G6 readings. Once the pressure is relieved, your Dexcom G6 readings should be closer to your blood glucose meter. Choose a sensor site location that won’t be bumped, pushed, or laid on while sleeping.1. App setup. The first thing you need to do is download the Dexcom G7 app. You will need to create a Dexcom account or login with your existing Dexcom account. Once logged in, the app walks you through the setup process step by step. First, The Overview section will provide you with educational videos and screens so you can learn everything ...This means that your Dexcom G7 sensor was not able to use the calibration you entered, so your glucose readings may not be aligned to your blood glucose (BG) meter. If you see this message, give your sensor some time to adjust; then, try calibrating again in about an hour with a new fingerstick/finger prick. To get an accurate BG meter value ...A sensor code allows you to use the Dexcom G6 CGM System without the need for fingersticks or calibrations.*. When you start a new sensor, you must enter a code into your display device, as each sensor has its own code printed on the back of the adhesive patch. Do not use a code from a different sensor or make up a code. If you do, your sensor ...

Jun 28, 2022 ... Some systems (e.g. Libre, Dexcom G6, and the future G7 and Medtronic Guardian 4) try to remove the need for manual calibration. Which makes a ...Jun 28, 2022 ... Some systems (e.g. Libre, Dexcom G6, and the future G7 and Medtronic Guardian 4) try to remove the need for manual calibration. Which makes a ...One of the main reasons the two may differ is that a BGM measures glucose in blood, while Dexcom G7 measures glucose in interstitial fluid (a fluid just below the surface of the skin). Watch the video below to learn why your BGM and CGM readings may differ, and how to ensure you get the most accurate readings. Here are some other common reasons ...Aug 5, 2023 ... I am just coming to the end of my first 10 days with G7 and I have also found G7 to be so much better than either Libre 2 or Dexcom One. So much ...However, if your sensor readings do not match your symptoms: Wash your hands with soap and water. Dry them. Take a finger prick with your meter. If your meter value matches your symptoms, use it to make treatment decisions. LBL-1000734 Rev001. There may be times when your readings temporarily don't match, but don't panic--they are likely to ...

Confluence dispensary three rivers michigan.

Page 18 Calibration When you calibrate your G7 using your BG meter, you take a fingerstick measurement from your BG meter then enter the value into your receiver or …Logging BG meter values or calibrating Your healthcare provider may ask you to keep track of your BG meter values, or you may want to calibrate your G7. If you calibrate, enter it into the app or the receiver, not both. The other device will update after about 5 minutes.1. App setup. The first thing you need to do is download the Dexcom G7 app. You will need to create a Dexcom account or login with your existing Dexcom account. Once logged in, the app walks you through the setup process step by step. First, The Overview section will provide you with educational videos and screens so you can learn everything ...In the app, go to Settings > Alerts > Alert Schedule. App: Receiver. Consider setting up the receiver with your nighttime alert settings, and the app with your daytime ones so you can leave your phone out of your bedroom. That way, at night, you will only hear your Dexcom G6 alerts, not other notifications from your phone such as news alerts ... As a pioneer and leader in real-time continuous glucose monitoring (RT-CGM), Dexcom helps to simplify diabetes management. Our CGM Systems provide best-in-class accuracy1 and exceptional convenience, allowing you to live a healthier, more confident life. Smart device sold separately.‡. Request a free 10-day sample of Dexcom G7. Customizable alerts help keep your glucose in range. Dexcom G7 has a fully customizable set of alerts that allows for an abundance of flexibility to manage diabetes your way. Alerts are designed to warn you of high or low glucose levels and can help you spend more time in range.2-6. The Urgent Low Soon alert provides a 20-minute advanced ...

If you want to calibrate, you can log it as an event within the G7 App on your smart device. ... The official logo of Dexcom, Inc. Can I calibrate Dexcom G7? Calibration is not required. If you want to calibrate, you can log it as an event within the G7 App on your smart device. *Compatible smart devices sold separately.Features that keep you feeling confident. The combination of Dexcom and Tandem t:slim X2 make for a reliable diabetes management solution, with features designed with you in mind: Dexcom G7. Tandem t:slim X2. The fastest† and most accurate CGM1 available. Warms up 2x faster than any other CGM¶—in only 30 minutes!Critical Alerts should always play a sound and appear on your lock screen when your smartphone notifications are off, muted, or on Do Not Disturb. Critical Alerts include Urgent Low Soon and Sensor Failure. How to turn Critical Alerts on. Go to your iPhone’s Settings. Tap Dexcom G7. Tap Notifications. The Dexcom G7 sensor is factory calibrated, but the G7 app and t:slim X2 both support calibration in case your CGM readings don’t match your symptoms. If the calibration value from a blood glucose meter isn't accepted by the t:slim X2, please contact Tandem Technical Support at 877-801-6901. Sep 19, 2023 ... This short animation explains how and when to calibrate the Dexcom G6 sensor when using mylife CamAPS FX.To log a BG meter value or calibrate: On the receiver, go to Menu > Events > Blood Glucose. Select Log Blood Glucose, or to use the BG value as a calibration, select Use as Calibration. Follow onscreen instructions. *Please note: Your sensor readings come from different fluids than your BG meter values, so the two usually won’t match.Dexcom G7 is now cleared in the U.S. for people with all Types of diabetes ages two years and older, giving more people than ever access to a powerfully simple diabetes management solution With an overall MARD of 8.2%, Dexcom G7 is the most accurate CGM cleared by the FDA,1 building on the trusted performance of Dexcom …Yes. The Dexcom G6 and Dexcom G7 are covered by Medicare if you meet their criteria. Dexcom now ships Dexcom G6 and Dexcom G7 to Medicare patients with traditional fee-for-service coverage. You can get Medicare coverage for therapeutic CGM if you: .css-1u1tos4:not (:last-of-type) {margin-bottom:.5em;}Share Your Glucose Data with Family Members or Your Physician. The Follow app and Dexcom CLARITY make it easy for others to keep tabs on your glucose levels. Learn all about sharing. Frequently asked questions for the Dexcom G7 CGM System.Lastly, rub around the overpatch. 3. Pairing the receiver and starting the sensor. Your receiver has 4 buttons – select, scroll down, go back , and scroll up. To turn on your receiver press and hold the select button for 3 seconds. The receiver walks you through the entire setup process step by step. Select next to continue.

Happened to me once, when I called support they said to delete and redownload the app. You’ll have to sign in again, but it fixed the problem for me. You have to re use the code from that dexcom to connect the g7 again. It’s supposedly a problem with their app. Hopefully that works!

Tap Settings. Tap Alerts. Tap High. Check High Alert is on. Tap Level to set the High Alert level. Tap arrows – in this example, the down arrow, to 190 mg/dL – to change the High Alert. Tap Repeat to change how often your High Alert repeats after initial alert and confirm. Tap arrows – in this example, the up arrow to 120 minutes, or 2 hours.Tap START G7 SENSOR. ⚑ Note: If the user utilizes the Dexcom G7 mobile app, the user must start a sensor session and enter the pairing code on both the Dexcom G7 mobile app and t:slim X2 insulin pump. 4 5 Enter the code found on the side of the sensor applicator and tap to continue. ⚑ Note: If using the Dexcom G7 mobile app, theIn today’s digital age, color plays a crucial role in various aspects of our lives. Whether it’s designing a website, editing photographs, or printing important documents, accurate...There is minimal difference between the Dexcom G7 ® and the Libre 3 but the Libre®3 has been shown to be slightly more accurate. Clinical data for the Dexcom G7 ® shows it has a MARD (the Mean absolute relative difference) of 8.2 percent while the FreeStyle® Libre 3 has a 7.9 percent total MARD score. Both the Dexcom G7 ® and the …Tap START G7 SENSOR. ⚑ Note: If the user utilizes the Dexcom G7 mobile app, the user must start a sensor session and enter the pairing code on both the Dexcom G7 mobile app and t:slim X2 insulin pump. 4 5 Enter the code found on the side of the sensor applicator and tap to continue. ⚑ Note: If using the Dexcom G7 mobile app, theYou should Google search dexcom calibration chart to check to see if a calibration is needed. The dexcom value should be within 10% of the bg. I usually only calibrate once per insertion around 6-8 hours after starting. That's only because the value has slipped outside of 10% and I haven't eaten. If it's within the 10%, don't do it. 10 points ...By Andrew Briskin. In October 2022, Dexcom announced that its next-generation continuous glucose monitor (CGM), Dexcom G7, is now available to people with diabetes in Hong Kong and several markets across Europe. Here is a look at the improvements over G6 and the expected timeline for a wider launch, both globally and in …Critical Alerts should always play a sound and appear on your lock screen when your smartphone notifications are off, muted, or on Do Not Disturb. Critical Alerts include Urgent Low Soon and Sensor Failure. How to turn Critical Alerts on. Go to your iPhone’s Settings. Tap Dexcom G7. Tap Notifications.

Rv campgrounds near williamsport pa.

Paternity court wallace.

Tap the Add button in the upper-left corner. Select the Dexcom widget, then tap Add Widget. Tap Done. To add the Dexcom G7 widget to your Today View screen, follow these steps: Swipe right from the Home Screen or Lock Screen. Touch and hold a widget or an empty area in Today View until the apps jiggle. Tap the Add button in the upper-left corner.More Information. Dexcom, Dexcom Clarity, Dexcom Follow, Dexcom One, Dexcom Share, Share are trademark or registered trademarks in the U.S. and may be in other countries. What to do if you're experiencing calibration or accuracy issues with your Dexcom G6 CGM System.Low Alert: You can adjust your Low Alert settings to alert you before your levels go too low; for example, 10 mg/dL higher than your usual level. High Alert: You can adjust your High Alert settings to alert you before your levels go too high; for example, 50 mg/dL lower than your usual level. MAT-1042.Happened to me once, when I called support they said to delete and redownload the app. You’ll have to sign in again, but it fixed the problem for me. You have to re use the code from that dexcom to connect the g7 again. It’s supposedly a problem with their app. Hopefully that works! Available 24 hours a day; 7 days a week. Dexcom CARE - Dexcom CGM training, software downloads, and tutorials. 1-888-738-3646. Monday - Friday 6 AM - 5 PM PST (All hours subject to change) MAT-1047. Refer to the Dexcom G7 CGM User Guide for information on Dexcom G7 accuracy, or reach out to Dexcom 24 Hour Technical Support or the Dexcom CARE team. Dexcom Share and Follow app. The Dexcom G7 app allows you to share your glucose data with up to 10 designated individuals (Followers) by using the share function of the app. It’s easy to share data through the app – simply press ‘Connections’ at the bottom of the screen then Share icon and follow the onscreen instructions. We calibrate our sons sensor twice. Right after placement and the next day in the morning. It always seems to report 2 mmol/l higher than where he’s actually at. Since we aim for 5-5,5 mmol in the night that would result being low the entire night. After the second calibration the bg meter and the sensor agree.Calibration is not required. If you want to calibrate, you can log it as an event within the G7 App on your smart device. *Compatible smart devices sold separately.Some scales, such as bathroom scales, can be calibrated by simply using known weights and adjusting the scale reading to match the amount of the known weight. Digital scales can be...Your learning journey with Dexcom G7. Discover education resources, training videos, and FAQs that will help you get the most out of your Dexcom G7 Continuous Glucose Monitoring System. G7 BASICS SETTING UP YOUR DEXCOM G7 SYSTEM YOUR FIRST 10 DAYS WITH G7 BEYOND THE BASICS.Tap START G7 SENSOR. ⚑ Note: If the user utilizes the Dexcom G7 mobile app, the user must start a sensor session and enter the pairing code on both the Dexcom G7 mobile app and t:slim X2 insulin pump. 4 5 Enter the code found on the side of the sensor applicator and tap to continue. ⚑ Note: If using the Dexcom G7 mobile app, the ….

Dexcom G7 is factory calibrated. Unlike G6 sensors, the G7 sensors are pre-programmed with the factory calibration setting so you don’t need to enter a sensor code. However, you will still need to enter the 4-digit pairing code provided on the body of each new G7 applicator to pair a sensor to your compatible smart device* or receiver. Tap START G7 SENSOR. ⚑ Note: If the user utilizes the Dexcom G7 mobile app, the user must start a sensor session and enter the pairing code on both the Dexcom G7 mobile app and t:slim X2 insulin pump. 4 5 Enter the code found on the side of the sensor applicator and tap to continue. ⚑ Note: If using the Dexcom G7 mobile app, thewoflxrx. • 4 mo. ago. In my experience the Libre3 is more accurate. Not to mention, it doesn’t lose connection to my phone nearly as much as the Dexcom. I do prefer the Dexcom for its more “openness” though. Dexcom allows you to export to Apple Health and lets you glance at your watch for your BS numbers. To log a BG meter value or calibrate: On the receiver, go to Menu > Events > Blood Glucose. Select Log Blood Glucose, or to use the BG value as a calibration, select Use as Calibration. Follow onscreen instructions. *Please note: Your sensor readings come from different fluids than your BG meter values, so the two usually won’t match. This product is a continuous glucose monitoring system indicated for the management of (type 1, type 2, gestational) diabetes in people age 2 years and older where self-monitoring of blood glucose (SMBG) is indicated. Calibration is not required. If you want to calibrate, you can log it as an event within the G7 App on your smart device.Happened to me once, when I called support they said to delete and redownload the app. You’ll have to sign in again, but it fixed the problem for me. You have to re use the code from that dexcom to connect the g7 again. It’s supposedly a problem with their app. Hopefully that works! The Android Bluetooth implementation we use for OS 10 and 11 requires you to give us this level of Location Permission, so we can connect and communicate continuously with the Dexcom G7 sensor. Find answers to your questions about setting up your Dexcom G7 CGM System, inserting and starting your G7 sensor, and using the transmitter. The all new Dexcom G7 Continuous Glucose Monitoring (CGM) system features a completely redesigned, 5easy-to-use app experience for †iOS and Android that is m...60% smaller, all-in-one, discreet wearable, easier to use with fewer components than the Dexcom G6. 30-minute warmup time. Improved accuracy (overall MARD of 8.2%) 10 days wear + 12-hour grace period. Indicated for wear on the back of the upper arm for ages 2 years and older and also the upper buttocks for ages 2 – 6 years old. The Tandem t ... How do you calibrate a dexcom g7, Only use this app if you have the Dexcom G7 CGM System.*. Before you start making treatment decisions with Dexcom G7, work with your healthcare professional to learn how. The Dexcom G7 Continuous Glucose Monitoring (CGM) System supports more empowered and integrated diabetes management. Its low-profile, wearable sensor provides real-time ..., The Android Bluetooth implementation we use for OS 10 and 11 requires you to give us this level of Location Permission, so we can connect and communicate continuously with the Dexcom G7 sensor. Find answers to your questions about setting up your Dexcom G7 CGM System, inserting and starting your G7 sensor, and using the transmitter. , The Dexcom G7 CGM system can be used by people with type 1 or type 2 diabetes. It can also be used during pregnancy. The system is also suitable for children ages two and up. 10. Automatic Pairing. As soon as you apply a new sensor, the Dexcom G7 receiver will pair to it automatically—no manual pairing is required., The Dexcom G7's new features and alerts make it their best cgm yet. Follow along as I show you how to use all the new controls, menus, and settings in this a..., An easier way to manage diabetes without fingersticks†. Dexcom G7, the simple CGM system, delivers real-time glucose numbers to your smartphone* or smart watch‡—no fingersticks required.†. Effortlessly see your glucose levels and where they’re headed, so you can make smarter decisions about food and activity in the moment to take ... , 1. App setup. The first thing you need to do is download the Dexcom G7 app. You will need to create a Dexcom account or login with your existing Dexcom account. Once logged in, the app walks you through the setup process step by step. First, The Overview section will provide you with educational videos and screens so you can learn everything ..., Background: We evaluated the accuracy and safety of a seventh generation (G7) Dexcom continuous glucose monitor (CGM) during 10.5 days of use in adults with diabetes. Methods: Adults with either type 1 or type 2 diabetes (on intensive insulin therapy or not) participated at 12 investigational sites in the United States. In-clinic visits were …, If your glucose alerts and readings from the G7 do not match symptoms, use a blood glucose meter to make diabetes treatment decisions. Seek medical advice and attention when appropriate, including for any medical emergency. Dexcom training videos - learn how to set up and use Dexcom G7 and G6 continuous glucose monitoring (CGM) system for ..., The Bluetooth is off alert on Dexcom G7 CGM means this function is turned off. It will either show as App Bluetooth is off or Phone Bluetooth is off. Read more. Why is my trend arrow missing when using Dexcom G7? There are times that the Dexcom G7 sensor may be temporarily unable to accurately measure this and will not show trend arrow on your ... , My tips for successful Dexcom G6 sensor calibration. Things to do and things to avoid. The video is based on my personal experience with the Dexcom G6 CGM an..., Sensor transition: When you start a new sensor, the phone app will prompt you to pair your sensor with your smartwatch. Switching smartwatches: Your CGM only lets you pair …, There is minimal difference between the Dexcom G7 ® and the Libre 3 but the Libre®3 has been shown to be slightly more accurate. Clinical data for the Dexcom G7 ® shows it has a MARD (the Mean absolute relative difference) of 8.2 percent while the FreeStyle® Libre 3 has a 7.9 percent total MARD score. Both the Dexcom G7 ® and the …, This is because the Dexcom G7 CGM System hasn’t been tested with every x-ray and security scanner and you may not be able to bring a display device. Page 19 However, with the Dexcom G7 CGM System, you can take a standard or maximum acetaminophen dose of 1 gram (1,000 mg) every 6 hours and still use the sensor readings to make treatment …, The Dexcom G7 sensor is factory calibrated, but the G7 app and t:slim X2 both support calibration in case your CGM readings don’t match your symptoms. If the calibration value from a blood glucose meter isn't accepted by the t:slim X2, please contact Tandem Technical Support at 877-801-6901., Background: We evaluated the accuracy and safety of a seventh generation (G7) Dexcom continuous glucose monitor (CGM) during 10.5 days of use in adults with diabetes. Methods: Adults with either type 1 or type 2 diabetes (on intensive insulin therapy or not) participated at 12 investigational sites in the United States. In-clinic visits were …, Dexcom G7 is easy to get no matter your CGM coverage. If you are new to Dexcom, all you have to do is complete the Get Started form. We’ll run a free benefits check for you and get the process started. If you pick up your Dexcom G6 supplies up at a pharmacy, all you need to do is get a Dexcom G7 prescription from your doctor and continue ..., To Manually Calibrate the Dexcom G7 sensor: Open the Dexcom G7 app. Tap + on the top right corner. Under Add Event, Select Blood Glucose. Under Entry Type select, Use as Calibration. Enter the Blood glucose meter value (be sure to enter this value within 5 minutes of sticking your finger)., There is no calibration, correct? “This is correct. Calibration for G7 is the same as G6; it’s factory calibrated, but there will still be the option for users to calibrate …, Android. Option 1: If your notification has an OK button, tap OK to acknowledge the alert. Option 2: If your notification doesn’t have an OK button, pull down on the notification and tap OK to acknowledge the alert. Option 3: Tap the notification (not the OK button) to open the app. Then tap OK to acknowledge the alert. When you get an alert ..., How do I log BG meter values or calibrations* on the Dexcom G7 receiver? To log a BG meter value or calibrate: On the receiver, go to Menu > Events > Blood Glucose. …, Happened to me once, when I called support they said to delete and redownload the app. You’ll have to sign in again, but it fixed the problem for me. You have to re use the code from that dexcom to connect the g7 again. It’s supposedly a problem with their app. Hopefully that works!, Yes, Dexcom G7 works with Dexcom Clarity. Users who used Dexcom Clarity with Dexcom G6 do not need to register again. The G7 app also conveniently integrates a Clarity data summary (called the Clarity card) into the home screen of the G7 app for quick and easy insights. Learn more about Dexcom Clarity here. MAT-1045., Calibration is not required. If you want to calibrate, you can log it as an event within the G7 App on your smart device. *Compatible smart devices sold separately. To view a list …, You can use the profiles two ways: Switch between them manually when you want. Set up a schedule for them to switch automatically. The Dexcom G7 app automatically renames your original alert profile as Primary. At the bottom of the second profile, you can set up a schedule for when it’s used. The next scheduled time displays in Profile > Alerts., To add the Dexcom G7 widget to your home screen, follow these steps: From the Home Screen, touch and hold a widget or an empty area until the apps jiggle. Tap the Add button in the upper-left corner. Select the Dexcom widget, then tap Add Widget. Tap Done. For step-by-step visuals on how to add a widget to your iPhone’s lock screen or home ..., Currencies that are used in the G7, or Group of Seven, countries include the U.S. Dollar, Canadian Dollar, Pound Sterling, Japanese Yen and Euro. The G7 is made up of the United St..., To log blood glucose (BG) meter values or calibrations* when using the Dexcom G7 CGM receiver follow these simple steps. Read more. How do I log BG meter values or calibrations* in the Dexcom G7 app? To log a BG meter value or calibrate: 1. In the app, tap + in the Glucose or History tabs., Dexcom G7 sensors may be inserted on the back of the upper arm (indicated for users ages 2 years and older) or the upper buttocks (ages 2-6 years old). Dexcom recommends that users dispose of used Dexcom G7 applicators following local …, Calibration of scientific instruments, such as thermometers and pipettes, ensures that these instruments provide the accurate results needed. In medicine, the standard of patient c..., To log a BG meter value or calibrate: On the receiver, go to Menu > Events > Blood Glucose. Select Log Blood Glucose, or to use the BG value as a calibration, select Use as Calibration. Follow onscreen instructions. *Please note: Your sensor readings come from different fluids than your BG meter values, so the two usually won’t match., Currencies that are used in the G7, or Group of Seven, countries include the U.S. Dollar, Canadian Dollar, Pound Sterling, Japanese Yen and Euro. The G7 is made up of the United St..., Dexcom G7 is factory calibrated. Unlike G6 sensors, the G7 sensors are pre-programmed with the factory calibration setting so you don’t need to enter a sensor code. However, you will still need to enter the 4-digit pairing code provided on the body of each new G7 applicator to pair a sensor to your compatible smart device* or receiver., It was a new sensor, just put it on yesterday evening. The Dexcom measures interstitial fluid, not blood - which for most people runs about 15-ish minutes behind blood glucose. So, unless you've been super steady for a good period of time, it's perfectly normal for the Dexcom to be 10 - 20% off of your fingerstick.