Force of blood on vein walls Pressure units: milligrams of mercury (mgHg) Defined by two numbers Systolic: Pressure during beats Diastolic: Pressure between beats Read as the systolic over diastolic level Example: 125 over 74
Normal Systolic < 120 Diastolic < 80 Prehypertension Systolic < 120 – 139 Diastolic < 80 – 89 Hypertension Systolic > 140 Diastolic > 90
No Symptoms Person must be tested Sphygmomanometer and stethoscope used
Eat Healthy Fruits, vegetables Low fat diet Maintain weight Exercise regularly + = Healthy!!
National Heart, Lung, and Blood Institute American Heart Association