This document discusses hypertension (high blood pressure), including its causes, symptoms, diagnosis, and treatment. It defines hypertension and describes its classification. It also outlines lifestyle modifications and medications that are used to treat hypertension. The goals of treatment are to lower blood pressure and prevent target organ damage to the heart, brain, kidneys and eyes. Nursing care focuses on educating patients, monitoring for side effects, ensuring compliance with treatment, and evaluating treatment effectiveness.