White-coat hypertension refers to a situation where a person's blood pressure is generally normal when measured at home, but often higher than normal when measured by a doctor in a hospital.
This increase in blood pressure occurs because when patients see doctors in white coats, they become overly nervous, which causes sympathetic nerve excitement. As a result, the heart beats faster, the peripheral vascular resistance increases, and blood pressure rises.
If the blood pressure increase does not exceed 140/90 mmHg, it does not fall under the white-coat effect.
For this situation, treatment is generally not required. Instead, one can closely monitor blood pressure changes, prevent the triggering of some risk factors, adjust their mindset, and change bad living habits.