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.

Synonyms: Anti-Arrhythmic, Cardiac Depressant, Myocardial Depressant, Cardiac Depressants, Anti Arrhythmia Agents, Agents, Antifibrillatory, Depressant, Cardiac, Anti-Arrhythmia Drugs, Anti Arrhythmia Agent, Agents, Antiarrhythmia, Myocardial Depressants, Anti Arrhythmic, Antiarrhythmia Drug, Anti Arrhythmia Drug, Agent, Antifibrillatory, Depressants, Cardiac, Anti Arrhythmics, Antiarrhythmia Agents, Anti-Arrhythmia Agents, Agent, Antiarrhythmia, Anti-Arrhythmia Agent, Drug, Antiarrhythmic, Antiarrhythmic Drug, Drug, Antiarrhythmia, Antiarrhythmic Drugs, Drug, Anti-Arrhythmia, Agents, Anti-Arrhythmia, Drugs, Anti-Arrhythmia, Depressant, Myocardial, Anti Arrhythmia Drugs, Drugs, Antiarrhythmia, Anti-Arrhythmia Drug, Drugs, Antiarrhythmic, 0, Antiarrhythmia Drugs, Antiarrhythmia Agent, Antifibrillatory Agent, Anti-Arrhythmics, Agent, Anti-Arrhythmia, Antifibrillatory Agents, Depressants, Myocardial

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76; was MYOCARDIAL DEPRESSANTS 1963-75 ,consider also ARRHYTHMIAS, CARDIAC /drug ther ,use ANTI-ARRHYTHMIA AGENTS to search MYOCARDIAL DEPRESSANTS 1966-75 ,76; was NON MESH before 1976; MYOCARDIAL DEPRESSANTS was heading 1963-75

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D000889

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