Table of Contents I. What is High Blood Pressure? a. Measuring Blood Pressure b. Blood Pressure Readings II. Types of Blood Pressure Medications a. ACE Inhibitors b. Diuretics c. Angiotensin-2 Receptor Blockers d. Calcium Channel Blockers e. Beta-Blockers  What is High Blood Pressure? High blood pressure (HBP or hypertension) is very common. The American Heart Association estimates that around 103 million American adults have the condition, which equates to almost half of all