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[IP] Do you have blood glucose readings that seem off?
>From: "Dr. Joe, The Diabetes Doctor" <email @ redacted>
>Subject: E-News 07/04/01
>Date: Wed, 04 Jul 2001 09:06:16 -0700
>Do you have blood glucose readings that seem off?
>Here is a list of things that can effect the accuracy of your meter
>readings from a recent TheraSense meter comparison study.
>1) The amount of blood on the test strip. Always make sure you completely
>cover the test area with blood. Insufficient blood samples can give no
>reading, as well as significantly high and low readings.
>2) Your blood hematocrit level is low or high. The hematocrit is a measure
>of the volume of red blood cells in a blood sample. Anemia and polycythemia
>can cause this. Some meters may give falsely high readings when the
>hematocrit is very low and falsely low readings when the hematocrit is very
>high. Check with your doctor to see if your levels are out of range.
>3) Lack of oxygen in the blood. Whether you are at a very high altitude or
>have COPD, your meter may not be giving you accurate readings.
>4) High levels of Vitamin C, Acetaminophen (Tylenol), Gentisic Acid
>(Aspirin Metabolite) and Uric Acid may cause your readings to be falsely
>high. Unfortunately it is difficult to judge how much of the first three
>substances taken orally would be too much since the study used whole blood
>If you are concerned about any of these items and the accuracy of your test
>results, read the insert that comes with your test strips or call the 1-800
>number on the back of your meter and request their studies in these areas.
>Steve Deal, RN
>Endocrine Metabolic Medical Center
>E-News is written by Dr. Joe Prendergast and his staff at Endocrine
>Metabolic Medical Center.
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