What does a "Code Blue" usually indicate in a hospital?

A "Code Blue" in a hospital setting is specifically designated to indicate a medical emergency that requires immediate resuscitation, typically for a patient who is experiencing cardiac arrest or has stopped breathing. This alert prompts rapid response from trained medical personnel to revive the patient and stabilize their condition. The code not only alerts relevant staff to the life-threatening situation but also mobilizes emergency equipment and resources needed to provide the urgent care required.

In comparison to other options, a change in patient care procedures, a routine medical check-up, or an infection outbreak do not reflect the immediacy and severity of a "Code Blue" situation. Those scenarios involve different protocols and responses that do not necessitate the urgent intervention that a Code Blue signifies. Thus, the understanding of "Code Blue" as a call for immediate life-saving measures is crucial for hospital staff to effectively respond in critical moments.