A patient's electrocardiogram (ECG) tracing reveals no relationship between P waves and QRS complexes. The patient is confused, and blood pressure is 60/30 mm Hg. Which orders should the nurse expect? Select all that apply.
1) Synchronized cardioversion
2) Administer adenosine (Adenocard), as prescribed
3) IV epinephrine
4) Transcutaneous pacing
5) IV atropine