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Dr. Andrew Rynne
MD
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Why Are My Blood Sugar Readings Differs?

When I take my blood sugar readings, I take them in both hands and use the same finger on both hands. My left hand is always 10 points higher. I just took it. My left hand said 124 on my ring finger and my right hand said 114 on my ring finger. Why is this?
Thu, 24 Jul 2014
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General & Family Physician,  's  Response
Even if you take two different finger of the same hand it might differ.there will be difference in finger & venous blood taken from fore arm. Concentration of blood & blood sugar may vary in capillary blood. It is not abnormal.
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Why Are My Blood Sugar Readings Differs?

Even if you take two different finger of the same hand it might differ.there will be difference in finger & venous blood taken from fore arm. Concentration of blood & blood sugar may vary in capillary blood. It is not abnormal.