Final answer:
Atenolol/chlorthalidone is a combination medication used primarily to treat hypertension and can also help with other cardiovascular conditions such as heart failure and chest pain.
Step-by-step explanation:
Atenolol/chlorthalidone is a combination medication used for the treatment of hypertension, which is high blood pressure. Atenolol is a beta-blocker that helps to slow down the heart rate and reduce blood pressure, while chlorthalidone is a diuretic, which aids in flushing excess salt and water from the body to lower blood pressure. This medication is also used to manage and improve symptoms of other cardiovascular conditions, including heart failure, chest pain (angina), and certain types of arrhythmias (abnormal heart rhythms).