Measuring blood pressure – why? And how does it work?

21 October 2017

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to measure blood pressure is simple and painless - and therefore in medicine an important method of investigation: The blood pressure measurement provides quick information on how the heart and circulation work.

Blood pressure is the pressure emanating from the heart, produced in the arteries. This pressure is not a constant value but changed ever - among other things with the action of the heart affecting blood pressure. When measuring the blood pressure is determined two values (Unit: millimeter of mercury or mmHg):

Measuring blood pressure - why? And how does it work?

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From a medical perspective, the blood pressure measurement is particularly important to find out whether the blood pressure values too high are: If such a high blood pressure (hypertension) longer there, heart, blood vessels, brain, eyes and kidneys can be harmed - which in extreme cases complications are possible as a heart attack or stroke. Therefore, it is advisable to treat high blood pressure in time. In adults, blood pressure is considered to be increased if during measurement the following values come out:

According recommends the European Society of Hypertension for healthy adults a Target blood pressure from below 140/90 mmHg. In people with cardiovascular disease, diabetes mellitus, chronic kidney disease or a stroke of the target blood pressure should be possibly worth 130/85 mmHg not exceed. Because high blood pressure often remains unnoticed long, it is best to let measure blood pressure regularly. 

too low Blood pressure (hypotension) has in itself no serious health effects, but can for example make you tired and dizzy. The limits for low blood pressure are different for men and women: In women talk values ​​below 100 mmHg (systolic) and 60 mmHg (diastolic) for a hypotension. In men, however, doctors diagnose already low blood pressure when they measure values ​​below 110 mmHg.

Blood pressure can be determined by individual measurements; but in some diseases, it can also be useful blood pressure over a longer period to measure (e.g., at night-time high blood pressure or high daily fluctuations). Then a 24-hour blood pressure measurement in which one carries the blood pressure monitor for a day with him.


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