What Influence Your Blood Pressure
There are many physical factors (e.g. blood vessel, blood viscosity) that would affect one's blood pressure. Understand them and you would be in a better position to combat them.
How Accurate is My Oscillometric Blood Pressure Monitor
The accuracy of a blood pressure monitor is dependent on how the measurement is obtained. The auscultatory monitor is the most accurate and is the reference standard for others. The most common home blood pressure monitor uses the oscillometric method. It is not as accurate; however it is much easier to use.