látka antiarytmická látky antifibrilačné depresanty srdcové depresant myokardiálny
English X references
Anti-Arrhythmia Agent Anti-Arrhythmia Drug Anti-Arrhythmic Antiarrhythmia Agent Antiarrhythmia Drug Antiarrhythmic Drug Antifibrillatory Agent Antifibrillatory Agents Cardiac Depressant Cardiac Depressants Myocardial Depressant Myocardial Depressants
Scope note in English
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.
