proarrhythmia
Sign in to saveProarrhythmia 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.
~2 min read
Article
11 sectionsContents
- Types of proarrhythmia
- Ventricular proarrhythmia
- Atrial proarrhythmia
- Abnormalities of conduction or impulse formation
- Increased risk
- Clinical pointers
- Class IA drugs
- Class IC drugs
- Class III drugs
- References
- External links
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.
==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: