Microlife AG1-20 - Инструкция по эксплуатации - Страница 5

1. Introduction

1.1. Features

The aneroid blood pressure kit is a non-automated, mechanical blood pressure measuring device 
for use on the upper arm. 
It offers proven reliability and superior performance at an economical price. With the advanced 
non-stop pin mechanism and ergonomic bulb with complete valves, the aneroid blood pressure 
kit ensures you a precise and consistent measurement. Nevertheless, its durable nylon cuff, 
high-grade bearing and aneroid bellow provide consistent operation. The entire unit stores in a 
zippered Nylon bag for easy portability.

Before using, please read through this instruction manual carefully and then keep it in a safe 
place. For further questions on the subject of blood pressure and its measurement, please 
contact your doctor.

Attention!
1.2. Important information about self-measurement

•  Do not forget: 

self-measurement means control

, not diagnosis or treatment. Unusual 

values must always be discussed with your doctor. 

Under no

 circumstances should you alter 

the dosages of any drugs prescribed by your doctor.

2. Important information on the subject of blood pressure and its measurement

2.1. How does high/low blood pressure arise?

The level of blood pressure is determined in a part of the brain, the so-called circulatory centre, 
and adapted to the respective situation by way of feedback via the nervous system. To adjust the 
blood pressure, the strength and frequency of the heart (Pulse), as well as the width of circulatory 
blood vessels is altered. The latter is effected by way of fine muscles in the blood-vessel walls.

The level of arterial blood pressure changes periodically during the heart activity: During the 

«blood ejection» (Systole) the value is maximal (systolic blood pressure value), at the end of 
the heart’s «rest period» (Diastole) minimal (diastolic blood pressure value). The blood pressure 
values must lie within certain normal ranges in order to prevent particular diseases.
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