A Client Is Admitted with Palpitations

A client is admitted with palpitations.  The ECG shows supraventricular tachycardia (SVT) with a rate of 220/min.  The nurse has received an order to administer adenosine 6 mg IV.  Which action should the nurse take?

A) Adenosine is contraindicated for SVT.  Verify the order with the health care provider
B) Administer medication only through a central venous access
C) Administer medication rapidly over 1-2 seconds followed by a saline flush
D) Mix medication in 50 mL normal saline and administer over 10 minutes