How do doctors determine hypertension in the office?

　　(Measured blood pressure over 180/110 mmHg) Grade 3 hypertension can be diagnosed directly with 1 measurement; (Measured blood pressure between 160-180/100-110 mmHg) Grade 2 hypertension requires 3 non-same-day measurements to be diagnosed; (Measured blood pressure between 140-160/90-100 mmHg) Grade 1 hypertension requires 5 non-same-day measurements to be diagnosed!　　To confirm the diagnosis of hypertension also emphasizes the importance of home self-measurement of blood pressure and 24-hour ambulatory blood pressure monitoring.