Microlife AG1-40 Инструкция по эксплуатации онлайн [10/64] 72636

4. Carrying out a measurement

4.1. Before the measurement

• Avoideating,smokingaswellasallformsofexertiondirectlybeforethemeasurement.All

these factors influence the measurement result. Try and find time to relax by sitting in an

armchair in a quite atmosphere for about ten minutes before the measurement.

• Removeanygarmentthatfitscloselytoyourupperarm.

• Measurealwaysonthesamewrist(normallyleft).

• Attempttocarryoutthemeasurementsregularlyatthesametimeofday,sincetheblood-

pressure changes during the course of the day.

4.2. Common sources of error

Note:

Comparable blood-pressure measurements always require the same conditions!

These are normally always quiet conditions.

• Alleffortsbythepatienttosupportthearmcanincreasetheblood-pressure.Makesure

you are in a comfortable, relaxed position and do not activate any of the muscles in the

measurement arm during the measurement. Use a cushion for support if necessary.

• Ifthearmarteryliesconsiderablylower(higher)thantheheart,anerroneouslyhigher(lower)

blood-pressurewillbemeasured!(Each15cmdifferenceinheightresultsinameasurement

errorof10mmHg!)

• Cuffsthataretoonarrowortooshortresultinfalsemeasurementvalues.Selecting

the correct cuff is of extraordinary importance. The cuff size is dependent upon the

circumference of the arm (measured in the centre). The permissible range is printed on the

cuff. If this is not suitable for your use, please contact your dealer.

Note: Only use clinically approved Original-Cuffs!

• Aloosecufforasidewaysprotrudingair-pocketcausesfalsemeasurementvalues.