400
What medications/interventions should be considered in a patient with hemodynamically stable regular, narrow QRS tachycardia that has not terminated with vagal maneuvers, IV adenosine, and IV verapamil/diltiazem?
What are
a. IV ibutilide plus AV nodal blocking agent,
b. IV procainamide plus AV nodal blocking agent, or
c. Cardioversion ?