It has long been found that the blood pressure measured in the clinic is different from that outside the clinic. Usually, the blood pressure measured by doctors in the clinic is higher than that measured by patients’ friends at home. Why is this happening? Is the sphygmomanometer at home not allowed? Why does blood pressure change after entering the hospital? This phenomenon is called “white coat effect”. It is precisely because of the existence of this “white coat effect”, Some doctors suggest that patients’ friends should add 5 mmHg when measuring their blood pressure at home. For example, a patient’s friend measured his blood pressure at home at 135/85 mmHg, Then add 5 mmHg and that’s 140/90 mmHg. In other Read More …