| 单词 | Drugs,Antiarrhythmic |
| 释义 | Drugs,Antiarrhythmic《英文msh词典》Drugs,Antiarrhythmic [入口词] Drugs,Antiarrhythmic [主题词] Anti-Arrhythmia Agents [英文释义] 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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