Learn about Blood Pressure Screening medical tests, including what the tests are used for, why a doctor may order a test, how a test will feel, and what the results may mean.
A blood pressure test measures the pressure in your arteries as your heart pumps. You might have a blood pressure test as a part of a routine doctor's appointment or as a screening for high blood pressure (hypertension).
Blood pressure is important to check as a high blood pressure level can increase the risk of heart disease (cardiovascular disease), kidney disease (nephropathy), sight damage ( retinopathy ) and strokes.
Usually, a nurse or technician takes your blood pressure while you are seated in a chair with your feet flat on the floor.
Your doctor, nurse or technician can tell you your blood pressure results immediately after the test. A blood pressure measurement has two numbers:
Here's a look at blood pressure categories and what they mean. If your top and bottom numbers fall into two different ranges, your correct blood pressure category is the higher one.
| Top number (systolic) in mm Hg | And/or | Bottom number (diastolic) in mm Hg | Your category* |
|---|---|---|---|
|
|||
| Below 90 | or | Below 60 | Low blood pressure† (hypotension) |
| Below 120 | and | Below 80 | Normal blood pressure |
| 120-129 | and | Below 80 | Elevated blood pressure |
| 130-139 | or | 80-89 | Stage 1 high blood pressure (hypertension) |
| 140 or more | or | 90 or more | Stage 2 high blood pressure (hypertension) |