Responding to In-hospital Cardiac Arrests During Times of System-wide Strain: A Code Refresher Training.

Background: Pandemic conditions of system-wide strain are associated with increased rates of in-hospital cardiac arrest (IHCA). During normal times, medical-surgical nurses may forget cardiopulmonary resuscitation (CPR) skills as soon as 3 months after training, leaving them unprepared and anxious about managing cardiac arrests. During pandemic surges, heightened anxiety can also impact concentration and confidence.