What is Systolic Blood Pressure?

Systolic pressure is when the heart of a person contracts, the pressure in the arteries rises, and the pressure in the arteries is the highest in the middle of the heart contraction. At this time, the pressure of the blood on the inner wall of the blood vessel is called systolic pressure, also known as high pressure. According to the World Health Organization, hypertension can be diagnosed when an adult has systolic blood pressure 140mmHg or (and) diastolic blood pressure 90mmHg. According to the World Health Organization regulations, an adult can be diagnosed with hypertension when the systolic blood pressure is 140mmHg (21.3kPa). Systolic blood pressure 130mmHg (18.6kPa) is called normal blood pressure, and the one in between is called critical hypertension; the so-called hypotension means that the systolic blood pressure of arterial blood pressure is lower than 12 kPa (90 mmHg). Different age groups and different genders have different differences.

Systolic pressure

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Systolic blood pressure is of great clinical significance. There is a type of hypertension called high systolic blood pressure, which means that the diastolic blood pressure is normal, and the systolic blood pressure is increased. Among various types of hypertension, the increased systolic blood pressure is the most common and more difficult to control. . Clinical observations show that simple systolic blood pressure increases with age and is more prone to stroke and acute coronary events. Therefore, clinicians will pay more attention to the systolic blood pressure of patients.

In recent years, a large number of epidemiological, evidence-based medicine and clinical studies have confirmed that the harm caused by systolic hypertension may be greater than the increase in diastolic blood pressure. The so-called systolic hypertension refers to patients with hypertension who have a systolic blood pressure of 140 mm Hg and a low diastolic blood pressure (less than 90 mm Hg).

Even if the diastolic blood pressure is not high, if the systolic blood pressure is 160 to 179 mm Hg, it can be regarded as moderate hypertension; systolic blood pressure 180 mm Hg is severe hypertension, and the corresponding risk factors should be combined according to this classification. the treatment.

For those without risk factors, the systolic blood pressure should be controlled below 140 mm Hg; for patients with simple systolic hypertension with diabetes or kidney disease, the systolic blood pressure should be controlled below 130 mm Hg.

With age, systolic blood pressure becomes more important. In adults over 50, systolic blood pressure exceeding 140 mm Hg is a more important cardiovascular risk factor than increased diastolic blood pressure.