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Proarrhythmia is a new or more frequent occurrence of pre-existing arrhythmias, paradoxically precipitated by antiarrhythmic therapy, which means it is a side-effect associated with the administration of some existing antiarrhythmic drugs, as well as drugs for other indications. In other words, it is a tendency of antiarrhythmic drugs to facilitate emergence of new arrhythmias.
Additional recommended knowledge
Types of Proarrhythmia
According to the Vaughan Williams classification (VW) of antiarrhythmic drugs, there are 3 main types of Proarrhythmia during treatment with various antiarrhythmic drugs for Atrial Fibrillation or Atrial flutter:
Abnormalities of conduction or impulse formation
Class IA drugs
Class IC drugs
Class III drugs
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Proarrhythmia". A list of authors is available in Wikipedia.|