Priority Decision: A patient with an acute $\mathrm{MI}$ is having multifocal PVCs and ventricular couplets. He is alert and has a BP of $118 / 78 \mathrm{~mm} \mathrm{Hg}$ with an irregular pulse of $86 \mathrm{bpm}$. What is the priority nursing action at this time?
a. Continue to assess the patient.
b. Ask the patient to perform Valsalva maneuver.
c. Prepare to administer antidysrhythmic drugs per protocol.
d. Be prepared to administer cardiopulmonary resuscitation (CPR).