Amiodarone/Lidocaine should be considered for suppressing premature ventricular contractions (PVCs) in acute myocardial infarction in which situation?
a. When the PVCs are more frequent than six per minute or are multifocal
b. In the event of second- or third-degree heart block
c. In the presence of acute onset sinus bradycardia
d. With a patient who is known to be allergic to local anesthetics
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