The Respiratory Therapist Is Monitoring a Patient in the Medical

The respiratory therapist is monitoring a patient in the medical ICU and notes multiple premature ventricular complexes (PVCs) on the cardiac monitor. The respiratory therapist elects to review the patient's medication administration record (MAR) for medications the patient is receiving to rule out medication toxicity as a cause of the PVCs. Which of the following medications should the therapist evaluate as a possibility of inducing PVCs?

A) Theophylline
B) Beta-blockers
C) Vitamin D
D) Acetaminophen