About Hypertension
Blood pressure is a measure of the force of blood against the walls of your arteries. Blood pressure readings include two numbers, such as 120/80 (say “120 over 80”). The first number is the systolic pressure. This is the force of blood on the artery walls as the heart pumps. The second number is the diastolic pressure. This is the force of blood on the artery walls between heartbeats, when the heart is at rest.
