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    Source: | Author:medical-100 | Publish time: 1831 days ago | 708 Views | Share:
    First, each person's blood pressure varies greatly within a day. Strictly speaking, people in every moment of the blood pressure is not the same, it is with the person's mental state, time, temperature, seasonal changes and measuring parts (arm or wrist), position (sitting or lying) changes the. Therefore, each measurement of blood pressure is a normal phenomenon. Because of the tension and anxiety, people in the hospital, the measurement of systolic blood pressure (high) usually at home 25 mmHg to 30 mmHg (..4 kPa to 4 thousand kPa), and some even will be a difference of 50 mmHg (6 thousand and 670 PA).
    Two is the measurement method is not correct. The measurement should pay attention to the following 3 points: the first is the cuff height should be at the same height and position of the heart, and the cuff of the hose should be placed in the brachial artery pulse, the cuff of the bottom should be higher than the elbow 1 ~ 2 cm; at the same time with the elastic cuff volume to just insert a suitable means. Next, be sure to remain quiet for about 10 minutes before the measurement. In the end, the time interval of the two measurements should not be less than 3 minutes, and the position and position should be the same. To do these 3 points, it should be said that the measured blood pressure is accurate and objective.
    Alternating measurement:
    Blood pressure was measured by a mercury sphygmomanometer for the first time. After 3 minutes of rest, the blood pressure gauge was measured second times, then rested for 3 minutes. Finally, the blood pressure was measured third times with a mercury sphygmomanometer. Take the first and third averages as the doctor's measurements, and the difference should be less than 10 mmHg (1 thousand and 330 PA) compared with the electronic sphygmomanometer measurements. An electronic sphygmomanometer that meets this condition can be used safely.