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* |
---|---|---|---|
|
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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) |