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why are calcium channel blockers used to treat arrhythmias?

April 26, 2017arrhythmias blockers calcium channel treat Used

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why are calcium channel blockers used to treat arrhythmias?

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Most are used to treat high blood pressure or angina. But, isradipine, lacidipine, and lercanidipine are only used to treat high blood pressure. Nifedipine is also used to treat Raynaud’s phenomenon. As they do not affect heart muscle much, dihydropyridine calcium-channel blockers are not useful for arrhythmias.