“…The mean time to cardioversion ranged from 110 to 190 min after oral administration and 25–52 min after intravenous infusion ( Madrid et al, 1993 ; Reisinger et al, 1998 ; Alp et al, 2000 ; Martínez-Marcos et al, 2000 ; Khan, 2003 ; Reisinger et al, 2004 ; Balla et al, 2011 ; Bash et al, 2012 ). Flecainide has been shown to be superior to propafenone and amiodarone in both time and rate of cardioversion ( Martínez-Marcos et al, 2000 ; Balla et al, 2011 ), similar to ibutilide ( Reisinger et al, 2004 ), and inferior to vernakalant ( Pohjantähti-Maaroos et al, 2019 ). The most common adverse events during a therapy with flecainide are dizziness (30%), visual disturbance (28%), headache (9%), and nausea (9%).…”