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Our studies involving alternative site
testing of adults with diabetes show that
most persons will find their glucose level
changes more quickly in blood from the
fingertip or palm than in blood from the
forearm or upper arm. This is especially
important when blood glucose levels are
falling or rising rapidly. If your patient is
used to making therapy decisions based
upon fingertip or palm test results, he or
she should consider the delay, or lag time,
aecting the test results obtained with
blood from the forearm or upper arm.
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