When you perform a physical examination or clinical examination to the doctor, there is usually a special tool used by the doctor to check blood pressure. Tool to check the blood pressure is also known as sphygmomanometer or blood pressure monitor. There are digital and there is also mercury Manometer that is still commonly used for clinical examinations.
The doctor will perform blood pressure checks by having you sit or lie down, because it was the best position to measure blood pressure. Then the doctor will usually be binding on the air bag on his right arm on the arm unless there are injuries. After that, blood pressure measurement. The difference between systolic and diastolic pressure is called pulse pressure.
When checking blood pressure, there are two numbers that are usually referred to as 120/80. What are these numbers?
Systolic
The first number (120), ie systolic blood pressure, the pressure when the heart beats or beats (systole). Often called the pressure on
Diastolic
The second number (80) is diastolic blood pressure, the pressure when the heart is resting between when pumping. Often referred to under the pressure.
Once you know your blood pressure, you definitely want to know whether your blood pressure low, normal or high. The following blood pressure classification based on the number of measurement results with blood pressure monitor for systolic and diastolic blood pressure:
| Blood Pressure | Systolic (first number) | Diastolic (second number) |
| low blood pressure or
hypotension |
under 90 | under 60 |
| normal blood pressure | 90 – 120 | 60 – 80 |
| Pre-
hypertension |
120 – 140 | 80 – 90 |
| high blood pressure or
hypertension (1st stage) |
140 – 160 | 90 – 100 |
| high blood pressure or
hypertension (2nd stage / dangerous) |
above 160 | above 100 |
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