This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
All of the following are seen in digitals toxicity except 
Select and explain. 
A. Ventricular bigeminy, B. Paroxysmal arial tachycardia with fast ventricular rate, C. Regularization of atrial fibrillation, D. Bidirectional ventricular tachycardia
B: Paroxysmal arial tachycardia with fast ventricular rate
Answer: B: Paroxysmal arial tachycardia with fast ventricular rate 
Explanation: Ref-critical care toxicology 4/e p395 Digital characteristics cause atrial tachycardia with AV block, it does not cause at atrial tachycardia with fast Venturicular rate