ABOX U80H, Instruction Manual, Page: 15 / 104

11
EN
Proper use of the unit
Measurement
Pre-measurement
• Relax for about five to ten minutes prior to the measurement. Avoid eating,
drinking alcohol, smoking, exercising and bathing for 30 minutes before
taking a measurement.
All these factors will influence the measurement result.
• Remove any garment that fits closely to your upper arm
• Always measure on the same arm (normally left).
• Take measurement regularly at the same time of every day, as blood
pressure changes even during the day.
Common factors of wrong measurement
• All efforts by the patient to support their arm can increase blood pressure.
• Make sure you are in a comfortable, relax position and do not activate any
of the muscles in the measurement arm during measurement. Use a cushion
for support if necessary.
• If the arm artery lies lower or higher than the heart ,a false reading will be
obtained.
Note:
• Only use clinically approved cuffs!
• A loose cuff or a exposed bladder causes false reading.
• With repeated measurements, blood accumulates in the arm which can
lead to false reading.
Consecutive blood pressure measurements should be repeated after 1
minute pause or after the arm has been held up in order to allow the
accumulated blood to flow away.