Calcium Channel Blockers

Calcium channel blockers are drugs used to lower blood pressurethey work by slowing the movement of calcium into the cells of the heart and blood vessel walls which makes it easier for the heart. Calcium channel blockers also called calcium antagonists relax and widen blood vessels by affecting the muscle cells in the arterial walls.

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Calcium channel blockers ccbs are a class of drugs that dilate the arteries and are used for treating high blood pressure abnormally rapid heart rhythms pulmonary hypertension raynauds syndrome cardiomyopathy and subarachnoid hemorrhage.

Calcium channel blockers. Calcium channel blockers prevent or reduce the opening of these channels and thereby reduce these effects. Calcium channel blockers also called calcium antagonists relax and widen blood vessels by affecting the muscle cells in the arterial walls. Calcium channel blockers prevent calcium from entering cells of the heart and blood vessel walls resulting in lower blood pressure.

Some calcium channel blockers have the added benefit of slowing your heart rate which can further reduce blood pressure relieve chest pain angina and control an irregular heartbeat. Calcium channel blockers also are prescribed for the prevention of migraine headaches and angina. Several types of calcium channels occur with a number of classes of blockers but almost all of them preferentially or exclusively block the l type voltage gated calcium channel.

This causes blood vessels to relax and widen vasodilate improves oxygen supply to the heart and lowers blood pressure. Some calcium channel blockers also slow the heart rate. Calcium channel blocking agents restrict the amount of calcium entering cardiac and smooth muscle cells by blocking voltage gated calcium channels.

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