Anti-Arrhythmia Agents
| Medical Definition: |
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. |
| Guide Notes: |
consider also ARRHYTHMIA /drug ther |
| Also Called: |
Cardiac Depressants,Antifibrillatory Agents |
Anti-Arrhythmia Agents Medical Definitions and Terms
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