Blood pressure, the force of blood pressing against the artery walls, is measured using two numbers: systolic “over” diastolic (110 “over” 80 or 110/80). The first number, systolic blood pressure, is the pressure of blood flow when the heart beats. The second, diastolic, is when the heart is relaxed between beats. What do these numbers […]
high blood pressure
Coronary Artery Disease
Coronary artery disease, or CAD, is when the coronary arteries that supply oxygen and blood to the heart are narrowed. This is usually caused by atherosclerosis, when cholesterol, fat, and other substances collect in the arteries. This collection of substances is usually called plaque, and it scares and irritates the arteries, which cause them to […]