When performing cardioversion for new onset atrial fibrillation, what is the safe maximum time between onset and cardioversion without anticoagulation?

When performing cardioversion for new onset atrial fibrillation, what is the safe maximum time between onset and cardioversion without anticoagulation?








A. 12 hours
B. 24 hours
C. 36 hours
D. 48 hours
E. 72 hours









Answer:  D