Simply put, someone said to suffer from hypertension or high blood pressure if the systolic blood pressure greater than 140 mmHg or diastolic pressure greater than 90 mmHg. Ideal blood pressure is 120 mmHg for systolic and 80 mmHg for diastolic. In many cases, the pressure was increased.
Systolic blood pressure (top number) is the peak pressure is reached when the heart contracts and blood mempompakan out through the arteries. While diastolic blood pressure (bottom number) was taken when the pressure fell to its lowest point when the heart relaxes and fills the blood back.