Interpretation of Results
Blood Pressure measurement gives two readings:
1. Systolic BP - the 'top' value, which indicates the force exerted against the walls of the arteries by the blood as it is being pumped from the heart.
The normal range for this value would be around 110 - 140 millimetres of mercury (mmHg).
2. Diastolic BP - the 'lower' value, which indicates the pressure exerted by the elastic recoil of the arteries during the relaxation phase between heart beats.
The normal range for diastolic BP would be around 60 - 90mmHg.
Blood Pressure Ranges
Low |
Normal |
Borderline |
High |
|
Systolic |
<100 |
100 - 140 |
141 - 160 |
>160 |
Diastolic |
<60 |
60 - 90 |
91 - 110 |
>110 |
Blood Pressure will fluctuate throughout the day, and sometimes even fluctuate between readings taken within minutes of each other. This could be due to factors such as the anxiety and apprehension of having the blood pressure actually taken.