Acute pain

IV Patient-Controlled Analgesia
Benjamin Vaghari, MD, Kishor Gandhi, MD, MPH, Eugene Viscusi, MD

Ketamine: A Versatile Tool in the Perioperative Period and Beyond
Eric S. Schwenk, MD, and Eugene Viscusi, MD

Multimodal Analgesia: Role of Non Opioid Analgesics
May L. Chin, MD

Perioperative Challenges of Opioid Maintenance Therapy
Ignacio J. Badiola, MD, and Russell Bell, MD