Tag: Calan

Accessory bypass tract wolff-parkinson-white or lown-ganong-levine some patients with paroxysmal and or chronic atrial fibrillation or atrial flutter and a coexisting accessory av pathway have developed increased antegrade conduction across the accessory pathway bypassing the av node, producing a very rapid ventricular response or ventricular fibrillation after receiving intravenous calan or digitalis .