Common Causes of errors in blood pressure measurement -

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Common Causes of errors in blood pressure measurement

2022-06-24

Common Causes of errors in blood pressure measurement

At present, the prevention and control of hypertension advocates self-measurement of blood pressure, because self-measurement of blood pressure has few interference factors, high accuracy, and exclusion of the "white coat effect", which has attracted more and more attention from doctors and patients. However, improper blood pressure measurement will affect the blood pressure measurement results and bring unnecessary trouble to the treatment.

The factors that affect blood pressure measurement are as follows:
1. The cuff is too small:
A cuff that is too small can increase the patient's systolic blood pressure measurement by 10-40mmHg.
2. The cuff is placed on the clothes:
Studies have shown that clothing may have a 10-50mmHg effect on systolic blood pressure.
3. No serious rest before measurement:
Before the measurement, you should rest quietly for 5-10 minutes. If you exercise and eat, it may affect the systolic blood pressure by 10-20mmHg.
4. Not relaxing enough when measuring:
Improper sitting posture, supporting the back of the hands, etc., or crossing the legs, not level with the heart, will affect the blood pressure reading.
5. Mood instability:
Emotional fluctuations or excessive fatigue, excessive stress, and anxiety can lead to a large increase in blood pressure.
6. Talk during measurement:
Talking with a doctor during measurement will increase blood pressure by 10-15mmHg.
7. Smoking and drinking:
Smoking or drinking alcohol before measurement will affect blood pressure measurement.
8. Cold stimulation:
When you feel cold, blood vessels constrict and blood pressure will rise, so the measurement should be done in a warm room.
9. Holding back urine:
Obvious urination will stimulate sympathetic nerve excitation and lead to increased blood pressure, so empty urine before measurement.