In cardiology practice, Wolff-Parkinson-White syndrome with atrial fibrillation is one of the few cardiac emergencies where a routinely used antiarrhythmic drug becomes immediately life-threatening. The wrong choice does not slow the arrhythmia - it accelerates it dangerously. Refresh your cardiology knowledge with this critical question. (Scroll down to answer the question.)  ##Reference##  Brugada J, et al. 2019 ESC Guidelines for the management of SVT.

Eur Heart J. 2020;41(5):655–720.## ##Disclaimer## The content provided on Docplexus is intended for educational purposes only. While we strive to ensure its accuracy, we make no warranties, explicit or implied, about the suitability, reliability, or adequacy of the information, including data visualization elements and graphics. We do not endorse any medical treatment, product, ideas, or service, including content from our industry…