You administer the atropine and monitor the patient's response. Other team members are starting a second large bore IV. After ten seconds of checking the carotid artery, you cannot find a pulse but the rhythm monitor shows a very slow (25 bpm) bradycardia. What is your next course of action?

a) Administer epinephrine
b) Begin CPR
c) Prepare for transcutaneous pacing
d) Administer another dose of atropine