This issue, Guest Edited by Dr. Lori Waddell, focuses on Perioperative Care in dogs and cats. Articles include: Oxygenation and ventilation, Heart rate and rhythm, Acid/base and electrolyte disturbances, Blood pressure management, Thermoregulation, Anemia and oxygen delivery, Analgesia, Assessment of perfusion and fluid balance, Hemostasis monitoring and treatment, and more!