About The Medical Condition Antiarrhythmia Drugs
Find the definition of the medical term Antiarrhythmia Drugs. Antiarrhythmia Drugs defined and explained for easy understanding at the Medical Conditions from ClusterMed.info.
Antiarrhythmia Drugs
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What's The Definition Of The Medical Condition Antiarrhythmia Drugs?
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.
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