Vernakalant: Expanding the antiarrhythmic vernacularBySteven P. Dunn, PharmD,Tracy E. Macaulay, PharmD,From the department of pharmacy practice,science, University of Kentucky College of Pharmacy, UKHealthCare, department of pharmacy services, UniDecember 31st 2008Atrial fibrillation (AF) is the most common sustained cardiac arrhythmia, occurring in over 2% of the general population.