[Diabetes-Talk] Wildly in accurate readings on Dexcom

Thu Jan 28 01:44:15 UTC 2021

Another thing. Are most of you using iOS 14. I am still using iOS 13.7 because Dexcom Tech Support has told me that they were having connectivity issues with iOS 14 and their app. Sounds like the out of range Alert is the connectivity issue that you guys are having. Maybe that’s why I never get that message because I’m still using the old version. I was even thinking about today About biting the bullet andabout biting the bullet and finally upgrading to iOS 14.. Now I am uncertain. 
And of course some of you are using android phones and apparently still experience the same out of range frequency.
Patricia

Sent from my iPhone

> On Jan 27, 2021, at 5:13 PM, Eileen Scrivani via Diabetes-Talk <diabetes-talk at nfbnet.org> wrote:
> 
> The other thing that can cause a signal loss with my G6 is if my phone is in the back pocket of my jeans and I am only partially or totally  sitting on the phone, it appears to block reception or the connection with bluetooth. Once I take the phone out of my pocket and lay it on a nearby table, desktop, or even on my lap it goes away.
> 
> Eileen
> 
> From: Bernadette Jacobs via Diabetes-Talk 
> Sent: Wednesday, January 27, 2021 7:58 PM
> To: Diabetes Talk for the Blind 
> Cc: Bernadette Jacobs 
> Subject: Re: [Diabetes-Talk] Wildly in accurate readings on Dexcom
> 
> Actually, I thought it was me. Ever since I upgraded and purchased a new iPhone SE, I have had more trouble with the signal loss thing. It happens now on almost a daily basis. Sometimes even several times a day. And I don’t even have to be lying on it for the decks calm to have a signal loss. Not sure exactly what is going on, either. Like I said, I thought it was just me. Glad to know I’m not alone, anyway. It’s not good. But at least I know it’s not just me. Have a great day.
> 
> Bern
> 
> 
> 
> Sent from my iPhone
> 
>> On Jan 27, 2021, at 5:03 PM, Veronica Elsea via Diabetes-Talk <diabetes-talk at nfbnet.org> wrote:
>> 
>> Blue tooth is quite sensitive to walls and what they're made of. I get signal loss quite often in this house with my iPhone 7. I'm considering upgrading my phone and we'll see what happens then. But I've never gotten signal loss while lying on the sensor. Interesting.
>> Veronica
>> 
>> 
>> "Guide Dogs, First Hand", Veronica Elsea's classic album is now available on iTunes, along with other music from her and from the Guide Dog Glee Club. 
>> To learn more, visit:
>> http://www.laurelcreekmusic.com
>>               Veronica Elsea, Owner
>> Laurel Creek Music Designs
>> Santa Cruz, California
>> Phone: 831-429-6407
>> 
>> 
>> -----Original Message-----
>> From: Diabetes-Talk [mailto:diabetes-talk-bounces at nfbnet.org] On Behalf Of Patricia Maddix via Diabetes-Talk
>> Sent: Wednesday, January 27, 2021 1:23 PM
>> To: Diabetes Talk for the Blind
>> Cc: Patricia Maddix
>> Subject: Re: [Diabetes-Talk] Wildly in accurate readings on Dexcom
>> 
>> That is interesting that several of you are reporting signal loss. I almost never get a signal lost alert on my iPhone 8 Dexcom app. My phone can’t even be at the complete other end of our 2000 square-foot house and still hold its connection. Perhaps my iPhone has a really strong Bluetooth capability. When I was using the Dexcom receiver along with the iPhone the receiver had to stay very close to my body.. As I cannot see the screen on the receiver I just stopped using it.
>> Patricia
>> 
>> 
>> Sent from my iPhone
>> 
>>>> On Jan 27, 2021, at 1:11 PM, Eileen Scrivani via Diabetes-Talk <diabetes-talk at nfbnet.org> wrote:
>>> 
>>> I’ve never had a “compression” low from sleeping on top of a sensor. If I do lie on top of it, Dexcom will alert me to a signal loss and then I just need to alter my sleeping position so its not being blocked off from transmitting my readings to the phone.
>>> 
>>> Eileen
>>> 
>>> 
>>> From: Patricia Maddix via Diabetes-Talk 
>>> Sent: Wednesday, January 27, 2021 2:15 AM
>>> To: Diabetes Talk for the Blind 
>>> Cc: Patricia Maddix 
>>> Subject: Re: [Diabetes-Talk] Wildly in accurate readings on Dexcom
>>> 
>>> Les,
>>> Yes, we all learn generally not to insert the sensor just before bed as that’s just when it’s going to interfere with our sleep. As you are very new to this list I am wondering if you have heard about compression lows that are caused when you lay on the sensor. This affects the blood circulation and can cause a low when your blood sugar is not actually low. The readings will return to normal shortly after you are no longer laying on the sensor.
>>> Patricia
>>> 
>>> Sent from my iPhone
>>> 
>>>>> On Jan 26, 2021, at 10:04 PM, Les Fitzpatrick via Diabetes-Talk <diabetes-talk at nfbnet.org> wrote:
>>>> 
>>>> I've had that problem as well, I used to always insert my new sensor before I went to bed it would always wake me up sayint that it was low usually below 50 sometimes over 30. But since I started inserting the new sensor inn the mornings I haven't had that problem. 
>>>> 
>>>> Les fitzpatrickPiano Technician
>>>> Ham call K5FPT
>>>> 
>>>> -----Original Message-----
>>>> From: Diabetes-Talk <diabetes-talk-bounces at nfbnet.org> On Behalf Of Patricia Maddix via Diabetes-Talk
>>>> Sent: Tuesday, January 26, 2021 4:27 PM
>>>> To: diabetes-talk at nfbnet.org
>>>> Cc: Patricia Maddix <pmaddix at comcast.net>
>>>> Subject: [Diabetes-Talk] Wildly in accurate readings on Dexcom
>>>> 
>>>> Hello group,
>>>> I just talked with Dexcom technical support and thought some of you might be interested in what they had to say. Over the weekend I put in a new sensor and immediately got extremely in accurate and rapidly changing numbers. The decks COM said I was 269 and rising rapidly. A fingerstick on the contour next meter said I was 154. I did a couple of more Fingersticks stickFingersticks over the next hour to see if it was changing rapidly but it was pretty steady. Then during the night it dropped rapidly and said that I was below 40 and even after treating with glucose it just stayed at that number. A fingerstick showed a blood sugar of 91. I tried to calibrate several times but could never get the sensor to read accurately. They generally say when you get blood sugars that are zooming up and down frequently on the sensor and this does not agree with fingersticks that it is probably a bad site or bad sensor so I put in a new one. After the warm-up On the second one the sensor red 120 and the fingerstick red 198. So I immediately calibrated and got it reset to a more appropriate range. I had a little more trouble with it over the next day and a half and re-calibrated. It seems to be working pretty well now. The technical support person at Dexcom said that the readings the first day sometimes can be quite off because of the trauma of the insertion and to go ahead and immediately re-calibrate to bring the sensor in line. I had previously heard that the sensors that are off the first 24 hours will eventually correct themselves and not to calibrate. So it is good to know to go ahead and calibrate right away. Otherwise I’m sticking my fingers every few minutes to know what my blood sugar really is as my blood sugars change very rapidly and I have to know for sure what to do about food or low blood sugar treatment. I cannot comfortably wait 24 hours for the sensor to correct itself. Also if I were using an insulin pump with an integrated CGM that makes decision on insulin dosing as a result of the sensor results the insulin being delivered by the pump would be horribly incorrect.
>>>> Dexcom is sending me a replacement for the first sensor that I removed after two days.
>>>> The Dexcom is just not quite there yet in terms of totally replacing fingersticks. Once the sensor seems to settle down and start giving very accurate results I feel comfortable with going several days without confirming with a fingerstick.
>>>> Patricia
>>>> 
>>>> Sent from my iPhone
>>>> 
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