The blood pressure range of normal adults in a quiet state is relatively stable. Within the normal range, the systolic blood pressure is 90 ~ 139 mmHg, the diastolic blood pressure is 60 ~ 89 mmHg, and the pulse pressure is 30 ~ 40 mmHg.

2. Abnormal blood pressure

(1) Hypertension: The systolic blood pressure and/or diastolic blood pressure of adults over 18 are ≥ 140mmHg and/or ≥90mmHg without using antihypertensive drugs.

(2) Hypotension: Blood pressure is lower than 90/60mmHg.

The normal blood pressure of all ages is convenient for modern people to know their blood pressure in time, find hypertension in time and treat it in time. Hypertension has become one of the diseases that harm modern people.

Normal blood pressure is the premise of blood circulation and flow. Blood pressure remains normal under the adjustment of many factors, thus providing sufficient blood volume for various tissues and organs and maintaining normal metabolism. Both low and high blood pressure (hypotension and hypertension) will cause serious consequences. The disappearance of blood pressure is a precursor to death, which shows that blood pressure has extremely important biological significance.

The above content refers to blood pressure in sogou.