The nurse has received change-of-shift report about all of these patients on the telemetry unit. Which patient should the nurse see first?

A patient with type 1 second-degree AV block, rate 60, who is dizzy when ambulating

A patient with atrial fibrillation, rate 88, who has a new warfarin (Coumadin) order

A patient who has a sinus rhythm, rate 98, after having electrical cardioversion 2 hours ago

A patient whose ICD fired three times today who is scheduled for a dose of amiodarone (Cordarone)