Block a calcium channel (CCB) is a group of medications that are the entry of calcium into cells or the exit of calcium from the reserves of the cellular inhibit.

these drugs cause slowing of the speed guidance of atrial, ventricular, and sinus, atrial, and relaxes the smooth muscles of the walls of the arteries and heart. Binding of calcium to the myosin for the contraction of the smooth muscle wall of the vessels is essential.

these medications in the treatment of diseases of the arteries, coronary, including, angina pectoris, cardiac arrhythmia, etc. a lot of blood pressure and diseases of the vascular endpoints of the application. Including these medications diltiazem and. verapamil, etc. and amlodipine.