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Blood pressure


Blood pressure is a value that indicates the pressure of the blood in a vein. It is directly related to cardiac output and vascular resistance. The blood pressure is highest in the aorta and continues to decrease as the blood flow progresses until the blood has passed through the circulation and reaches the heart again. The blood pressure value is given in mmHg (millimeter of mercury) and is normally around 120/80 mmHg. The first value indicates the systolic blood pressure, which describes the maximum blood pressure after contraction of the left ventricle. The second value is the diastolic blood pressure, which is significantly lower and occurs in the relaxation phase of the heart chamber.

From a value of 140/90 mmHg, one speaks of high blood pressure. This is hardly noticed by the person concerned, but can have a negative impact on health and increase the risk of various diseases such as arteriosclerosis and coronary artery disease as well as permanently damage the heart muscle. Hypertension requires medical treatment, but there are also home remedies that can naturally lower blood pressure. With blood pressure values ​​below 100/60 mmHg one speaks of low blood pressure. Low blood pressure should be checked with a doctor, who can indicate, for example, an underactive thyroid or heart failure. Slightly fluctuating blood pressure values ​​at different times of the day are normal to a certain extent. However, if there are severe fluctuations in blood pressure within a short period of time, a doctor should be consulted. (vb)

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Author and source information

Video: Blood pressure measurement - OSCE guide (August 2020).