WAntiarrhythmic agent
WCariporide
WAcecainide
WActisomide
WAdenosine
WAH-1058
WAjmaline
WAlinidine
WAmiodarone
WAprindine
WAsocainol
WAzimilide
WBretylium
WBRL-32872
WBudiodarone
WBunaftine
WBupranolol
WCelivarone
WDiacetolol
WDigitalis
WDronedarone
WEncainide
WEthacizine
WFlecainide
WHBI-3000
WIbutilide
WIndecainide
WLandiolol
WLidocaine
WLorcainide
WMagnesium citrate
WMetildigoxin
WMexiletine
WMoracizine
WNadoxolol
WPhenytoin
WPilsicainide
WPirolazamide
WProcainamide
WPropafenone
WQuifenadine
WQuinidine
WRotigaptide
WSematilide
WSotalol
WSparteine
WTazolol
WTocainide
WTrimecaine
WVerapamil
WVernakalant
WVomilenine