Anti-Arrhythmia Agents D000889

Chemicals and Drugs [D] » Chemical Actions and Uses [D27] » Pharmacologic Actions » Therapeutic Uses » Cardiovascular Agents » Anti-Arrhythmia Agents

Description

Agents used for the treatment or prevention of cardiac arrhythmias. They may affect the polarization-repolarization phase of the action potential, its excitability or refractoriness, or impulse conduction or membrane responsiveness within cardiac fibers. Anti-arrhythmia agents are often classed into four main groups according to their mechanism of action: sodium channel blockade, beta-adrenergic blockade, repolarization prolongation, or calcium channel blockade.   MeSH

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