Hartmann Veroval DUO CONTROL Instructions For Use Manual page 10

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The function of the arm on which the cuff is placed may become impaired
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during inflation.
If you carry out the measurement on yourself or another person, please
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ensure that using the blood pressure monitor does not lead to ongoing
reduction in the blood circulation.
Taking measurements too often within a short time period as well as
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maintaining continuous cuff pressure can disrupt the blood circulation and
cause injury. Please take a break between measurements and do not kink
the air tube. If the monitor malfunctions, remove the cuff from the arm.
If a possible allergic skin reaction occurs on the arm where the cuff is used,
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discontinue its use and consult a physician.
Always consult with your doctor about if and when the blood pressure
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monitor can be used by pre-eclampsia patients during pregnancy.
The device is not intended for use in vehicles (e.g. ambulances) or
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helicopters.
Important instructions for self-measurements
Even slight changes in internal and external factors (e.g. deep breathing,
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stimulants, speaking, excitement, ambient temperature) lead to fluctuations in
the blood pressure. This explains why deviating values are often measured at
the doctor or pharmacist.
Measurement results depend fundamentally on the measurement location and
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the position of the patient (sitting, standing, reclining). They are also affected
by exertion and the physiological condition of the patient. For comparable
values, carry out the measurement in the same location and the same
position.
Diseases of the cardiovascular system can lead to erroneous readings or lower
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the accuracy of the measurement. The accuracy may also be affected if you
have very low blood pressure, diabetes, circulatory disorders and arrhythmias
as well as chills or tremors.
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