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Medical Forum / Diseases and Disorders / Diabetes / March 2006

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Diagnosis uncertain - question on blood tests

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systemswamper - 09 Mar 2006 17:18 GMT
HI,

I have not been formally diagnosed, but my physician said last time
that my blood sugar was higher than the high end of the normal range
after doing a fasting blood test, and he would like to repeat the test.

The problem that I have is, all of my "finger poke" or home tests
indicate a level within before-meal and after-meal ranges.

Is there actually a difference in the "quality" and content of
peripheral blood (from a vein), as compared with capillary blood from a
finger poke that may render the home tests much more innacurate than
one would think ?

Thanks for the consideration.
David - 09 Mar 2006 17:33 GMT
> HI,
>
[quoted text clipped - 11 lines]
>
> Thanks for the consideration.

what meter and what numbers are you getting?  Without information that
the doctor is incompetent, I'd go with the doctor's assessment. <g>
Repeat the test as he asked you to do.

dave
Michelle - 09 Mar 2006 17:37 GMT
While glucometers are great tools, they are not going to be as accurate
as the test done in a regular laboratory.  However, because a fluke can
occur under any circumstance, your doctor is wise to double-check the
result.

Also, I might add that while many physicians still rely on the FBG to
diagnose diabetes, many of us here have found that our FBG's are
normal, but our post-prandial BS are out of line, sometimes way out of
line.  You may not want to rely on FBG as a primary indicator that
everything is fine.

Michelle
Jennifer - 09 Mar 2006 19:46 GMT
Ask your doctor for numbers, instead of just "higher"... find out what
your test results were.

And then go back and get another fasting test like he suggests.
What's the harm?

Jennifer

> HI,
>
[quoted text clipped - 11 lines]
>
> Thanks for the consideration.
oldal4865 - 10 Mar 2006 11:38 GMT
systemswamper wrote in message
<1141924734.334266.244330@j52g2000cwj.googlegroups.com>...
>HI,
>
[quoted text clipped - 11 lines]
>
>Thanks for the consideration.

    Non-diabetics spend most of their day between 80 and 90 mg/dL.    One
would expect a non-diabetic to show less than 90 before eating and less than
100 at 2 hours after the meal.    Is that  what you meant by "within
before-meal and after-meal ranges?"

Home meters can be inaccurate.   We have had posters complain about wildly
inconsistent readings when comparing meters head-to-head which means that at
least one of the meters was off.

Many of us bring our meters with us when we go in to the lab for formal FbG
tests so that we can compare our meter readings with the lab test.     My
meters have always been within 10 mg/dL of the lab number.

Regards
 Old Al
Donna in Texas - 11 Mar 2006 00:48 GMT
Al said:

> Many of us bring our meters with us when we go in to the lab for formal
> FbG
> tests so that we can compare our meter readings with the lab test.

Thanks for that information.  I hadn't thought of doing that, although it
should have been obvious (duh to me).

Donna
 
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