Checking your blood pressure numbers
Blood Pressure (BP) is readings are expressed based on 2 readings. Systolic and Diastolic; in units of millimetre of mercury (mmHg).
Systolic (SYS mmHg)
Systolic pressure indicates how much pressure your blood is exerting against your artery walls when the heart beats.
Diastolic (DIA mmHg)
Diastolic pressure indicates how much pressure your blood is exerting against your artery walls while the heart relaxes between beats.
Read more about how to measure and read blood pressure numbers.