<prompt> All of the following are seen in digitals toxicity exceptVentricular bigeminyParoxysmal arial tachycardia with fast ventricular rateRegularization of atrial fibrillationBidirectional ventricular tachycardia  <response>: Ref-critical care toxicology 4e p395 Digital characteristics cause atrial tachycardia with AV block, it does not cause at atrial tachycardia with fast Venturicular rate 