Blood pressure is the most important indicator of the state of the cardiovascular system, its measurement is one of the simplest and at the same time highly informative diagnostic method, which is used very widely, including at home.. By measuring the existing pressure, it is compared with the norm to determine deviations.

However, the norm of pressure in a person is not an unshakable value.. Pressure varies depending on age, physical activity, psycho-emotional state, time of day, even ambient temperature. In addition, there are individual characteristics of the work of the heart and the state of blood vessels.. Given this, we can talk about a certain corridor within which blood pressure will be considered normal..

Blood pressure is determined by two indicators - systolic and diastolic, which are recorded through a flash - first systolic, then diastolic, both measured in millimeters of mercury. Systolic pressure is also called cardiac pressure, it depends on the strength of heart contractions, this is an indicator of the pressure of blood in the arteries at the time it leaves the heart.. Diastolic pressure is called vascular, it shows what is the resistance of the vascular wall at the moment when the heart muscle contracts, thereby characterizing the state of the vessels. Systolic pressure is normally 40-50 units higher than diastolic. The following figures are accepted for the norm of pressure in humans: 90-140 mm Hg. st. for systolic pressure (first number), and 50-80 mmHg. st for diastolic (second number).

Since there are individual characteristics, and the norm of pressure in a person of one may differ significantly from that of another, they speak of working pressure. Working pressure is the normal pressure for a particular person.. So, in people prone to hypotension (low blood pressure), a pressure of 90/50 mm Hg is normal.. st. , and therefore for such a person an indicator of 130/80 will no longer be too favorable. On the contrary, in a hypertensive patient with a working pressure of 140/80, a pressure of 100/60 will be a clear sign of ill health, and the person will not feel well at the same time..

Therefore, each person must know his own norm in order to subsequently focus on it.. It remains only to add that in order to determine the norm of pressure in a person, it is necessary to measure the pressure several times at rest, with good health and no excitement. The arithmetic mean will be an indicator of the working pressure of a given person, and when the doctor asks during a medical examination: “What is your normal pressure? ”, he expects to hear exactly this parameter.

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