HighBloodPressure

Health

Understanding Blood Pressure Numbers

Systolic and Diastolic Blood Pressure Blood pressure is the force of blood pushing against the walls of your arteries. It is measured in millimeters of mercury (mmHg) and consists of two numbers: systolic and diastolic blood pressure. Systolic blood pressure is the top number and represents the pressure in your arteries when your heart beats and pumps blood. Diastolic blood…