23
Preparing the Puncture Site
Stimulating blood perfusion by rubbing the puncture site before blood
extraction has a significant influence on the glucose value obtained.
Blood from a site that has not been rubbed exhibits a measurably
different glucose concentration than blood from the finger. When the
puncture site was rubbed prior to blood extraction, the difference was
significantly reduced.
Please follow the suggestions below before obtaining a drop of
blood:
• Wash a
nd dry your hands before starting.
• Select the puncture site at fingertips
• Clean the puncture site using cotton moistened with 70% alcohol
and let it air dry.
• Rub the puncture site for about 20 seconds before penetration.
► Fingertip testing
Press the lancing device
’
s tip firmly
against the lower side of your finger-
tip. Press the release button to prick
your finger, then a click indicates that
the puncture is complete.
NOTE
• Choose a different spot each time you test. Repeated punctures at the
same spot may cause soreness and calluses.
• It is recommended to discard the first drop of blood as it might contain
tissue fluid, which may affect the test result.
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