Problem: Which statement is true concerning lidocaine in ACLS? Need Assignment Help? It is an alternative to amiodarone in cardiac arrest from VF/pVT. It should be used prophylactically to prevent reperfusion arrhythmias in therapy for AMI. It should be reduced (maintenance dose only) in patients with impaired renal function or LV dysfunction It should be considered for unstable monomorphic VT with preserved ventricular function.