Why the study?
Do antiarrhythmic drugs cause proarrhythmic effects in patients treated for arrhythmias?
Do antiarrhythmic drugs cause proarrhythmic effects in patients treated for arrhythmias?
Antiarrhythmic drugs can paradoxically worsen arrhythmias, highlighting the importance of recognizing drug-induced proarrhythmia and withdrawing the offending drug.
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Vigilance for proarrhythmia remains essential during therapy; leaves open prospective validation of electrophysiological predictors.
Ross et al. (1990) studied this question.
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