Code Blue

code blue (kd)

n.

A medical emergency in which a team of medical personnel work to revive an individual in cardiac arrest.

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Code Blue

A message announced over a hospital’s public address system, indicating that a cardiac arrest or respiratory arrest requiring CPR is in progress; to be ‘coded’ is to undergo CPR. In some facilities, the term is confined to cardiorespiratory emergencies in adults and children, in others, just for adults, also
(1) Any adult emergency
(2) Tornado warning

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code blue

Code Emergency medicine A message announced over a hospital's public address system, indicating that a cardiac arrest requiring CPR is in progress; to be 'coded' is to undergo CPR