Spirit CareSens N Owner's Booklet page 23

Alternative Site Blood Sampling (forearm,
palm, thigh, calf)
Select clean, soft and fleshy sample site area
free of visible veins and hair and away from
bones. Gently massage sample site to help
blood circulation to minimise result differences
between fingertip and alternative site sampling.
Firmly press and hold the lancing device against
site. Wait until the skin surface under the lancing
device changes color. Then press the release
button while continuing to apply pressure. Keep
holding the lancing device against your skin until
sufficient (at least 0.5 μL, actual size:
drawn. Carefully lift the lancing device away from
your skin.
Things to Know When Using AST
Please understand the following things before
testing outside of the fingertip (forearms, palms,
thighs, and calves).
The capillary blood of the fingertip shows the
change in glucose more rapidly than AST.
Therefore, the test results from the fingertip test
and AST may differ. This is because things such
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as lifestyle and ingested food have an effect on
glucose levels.
Acceptable situations for AST
When your blood glucose levels are stable
• Fasting period
• Before a meal
• Before sleeping
Situations requiring fingertip test
When the glucose levels are unstable
• During the two hours after a meal or exercise
• When sick or when glucose levels seem quite
) blood is
lower than test value
• When hypoglycaemia is not well recognised
• 2 hours after an insulin injection
AST Precautions
• Do not ignore the symptoms of hyperglycaemia
or hypoglycaemia.
• When the results of the test do not reflect
your opinion, retest using the fingertip test.
If the fingertip result still does not reflect the
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