Code Blue: Definition, Clinical Significance, and Overview
Code Blue is a standardized hospital alert for a patient with actual or imminent cardiopulmonary arrest. It signals an emergency response focused on cardiopulmonary resuscitation (CPR) and advanced life support. It is primarily an acute care workflow used in inpatient units, procedural areas, and outpatient facilities. It is most commonly used in hospital medicine, emergency care, and cardiology-related emergencies.