Visken is a brand name for the medication pindolol, which is commonly used to treat hypertension and angina. Some synonyms for visken include beta-blockers, cardiac drugs, blood pressure medications, and calcium channel blockers. Beta-blockers are a type of medication that work by binding to receptors in the heart, slowing down the heart rate and reducing the amount of oxygen needed by the heart. Calcium channel blockers, on the other hand, block calcium from entering the heart muscle, which reduces the amount of force the heart pumps with. These medications are often used in combination with other treatments to manage high blood pressure and prevent heart attacks.