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Anti-arrhythmic drugs
Antiarrhythmic drugs are a group of pharmaceuticals that are used to suppress abnormal rhythms of the heart (cardiac arrhythmias), such as atrial fibrillation, atrial flutter, ventricular tachycardia, and ventricular fibrillation.
Class I antiarrhythmics interfere with sodium channel function, and are subdivided by the effect they have on the action potential (AP)- see figure below
smaxwell - 10/10/2014 - 9:04am