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What you should know about blood pressure
1. The systolic and diastolic blood pressure value
The circulatory system has the important task of supplying all
organs and tissues in the body with sufficient blood, and of re-
moving metabolites. The heart does this by contracting and ex-
panding at a regular rhythm of around 60-80 times per minute.
The pressure created by the blood flow on the artery walls when
your heart contracts is referred to as systole. The pressure in
the subsequent relaxation phase when the heart fills with blood
again is referred to as diastole. In your daily measurement, you
will measure both values.
2. Why you measure different values
Our blood pressure responds to internal and external influences
like a sensitive measuring instrument. Affected by mental, physi-
cal and environmental influences, it varies all the time and never
remains constant.
Reasons for fluctuating blood pressure values can be: moving,
speaking, eating, consuming alcohol or nicotine, nervousness,
inner tension, emotions, room temperature, recent urination
or bowel movements, environmental influences such as move-
ments and sounds, etc. Even changes in the weather and climate
can have an effect on your blood pressure.
This explains why values measured at the doctor are often higher
than those you obtain at home in your usual environment.
3. Why should you measure blood pressure regularly?
Even the time of day has an effect on your blood pressure. The
values are at their highest during the day. In the course of the af-
ternoon and in the evening, they drop slightly. They are low while
you are sleeping, but rise again relatively quickly once you get up.
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