Heart Failure

Question 1

How do calcium channel blockers work?

Answer 1

Calcium channel blockers are medicines used to lower blood pressure. They work by stopping calcium from entering the cells of the heart and arteries. Calcium causes the heart and arteries to squeeze more strongly. By blocking calcium, calcium channel blockers allow blood vessels to relax and open. This helps control blood pressure and heart rate1235. Some calcium channel blockers also can slow the heart rate