A simple algorithm for localizing accessory pathways in patients with WolffParkinsonWhite syndrome using only the RS ratioA simple algorithm for localizing accessory pathways in patients with WolffParkinsonWhite syndrome using only the RS ratioA simple algorithm for localizing accessory pathways in patients with WolffParkinsonWhite syndrome using only the RS ratioA simple algorithm for localizing accessory pathways in patients with WolffParkinsonWhite syndrome using only the RS ratio