Can beta-blockers make arrhythmia worse?

Beta-blockers “block” the effects of adrenaline on your body’s beta receptors. This slows the nerve impulses that travel through the heart. As a result, your heart does not have to work as hard because it needs less blood and oxygen. Beta-blockers also block the impulses that can cause an arrhythmia .

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What is a beta blocker used for?

These drugs are often used to treat high blood pressure when other medications haven’t worked . Beta blockers, also known as beta-adrenergic blocking agents, are medications that reduce blood pressure. Beta blockers work by blocking the effects of the hormone epinephrine, also known as adrenaline.

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