The range of blood pressure in a normal adult in a quiet state is relatively stable, with a normal range of systolic blood pressure of 90 to 139 mmHg, diastolic blood pressure of 60 to 89 mmHg, and pulse pressure of 30 to 40 mmHg.

2. Abnormal Blood Pressure

(1) Hypertension: without the use of antihypertensive medication, the systolic blood pressure of an adult over the age of 18 years is ≥ 140 mmHg and/or diastolic blood pressure ≥ 90 mmHg.

(2) Hypotension: blood pressure less than 90/60 mmHg.

Expanded Information:

High blood pressure hazards:

1, high blood pressure causes atherosclerosis: high blood pressure and atherosclerosis fuel each other to cause a vicious circle. Poor blood flow caused by blood clots and narrowed arteries can lead to serious diseases.

2, hypertension causes cerebrovascular accident: cerebral hemorrhage, cerebral infarction, subarachnoid hemorrhage and other diseases.

3, hypertension causes cerebrovascular dementia: cerebrovascular disorder triggers dementia.

4, hypertension causes heart disease: can cause cardiac hypertrophy, heart disease, myocardial infarction and so on.

5, hypertension causes kidney disease: hypertension causes poor circulation, complicating renal failure.

Baidu Encyclopedia-Blood Pressure