Medicinalis 303894 Manuel page 18

• If the measurement on one finger does
not work, use another finger.
• It is necessary to have a good blood
flow for correct measurement. Cold
hands or blood flow that is not opti-
mal for some other reason can affect
the measurement. Compression band-
ages, blood pressure cuffs or other
objects that affect the blood flow can
result in incorrect readings.
• Always ensure that your fingers and
the device are clean so that the meas-
urement can be done properly.
• The following factors can result in
inaccurate readings:
- Cardiac arrest or state of shock
- Artificial fingernails
- heavy movements during the meas-
urement
- low haemoglobin levels
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