First, the normal blood pressure value
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.
Second, abnormal blood pressure.
(1), hypertension: under the premise of not using antihypertensive drugs, the systolic blood pressure of adults over 18 is ≥ 140mmHg and/or the diastolic blood pressure is ≥90mmHg.
(2) Hypotension: Blood pressure is lower than 90/60mmHg.
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