Blood Pressure Check
A simple check of the pressure of blood in your arteries, done at clinics, pharmacies or at home.
Quick Summary
To find and monitor high or low blood pressure.
Systolic (top) and diastolic (bottom) pressure.
Sit quietly for 5 minutes; avoid caffeine, smoking and exercise for 30 minutes before.
Overview
High blood pressure usually has no symptoms, so regular checks matter.
Home monitors should be validated and used correctly.
What It Measures
Systolic
Pressure when the heart beats.
Diastolic
Pressure between beats.
How It's Performed
- 01
Position
Sit with back supported, feet flat, arm at heart level.
- 02
Measure
The cuff inflates and deflates.
- 03
Repeat
Take two readings a minute apart.
Reference Ranges
Note: Normal ranges vary by laboratory. Consult your report for the specific reference used.
| Parameter | Typical Range (Adult) | Units |
|---|---|---|
| Normal | Below 120/80 | mmHg |
| High (clinic) | 140/90 or above | mmHg |
Interpreting Results & Next Steps
Discuss with Doctor
Your doctor will explain the report and what happens next.
If values are Low:
Below about 90/60 is low blood pressure; it matters if it causes symptoms.
If values are High:
Repeated readings of 140/90 or higher suggest high blood pressure.
Sources and further reading
Last updated 21 October 2026. For more detail, see these trusted health organisations.
- Blood pressure measurement(opens in a new tab) · MedlinePlus, US National Library of Medicine
- Blood pressure test(opens in a new tab) · NHS