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. Author manuscript; available in PMC: 2026 May 12.
Published in final edited form as: Resuscitation. 2025 Aug 5;215:110748. doi: 10.1016/j.resuscitation.2025.110748
Determinant Code Determinant Descriptor
9-CARDIAC OR RESPIRATORY ARREST / DEATH
9-E-1 Suspected Workable arrest (not breathing/ineffective breathing): Not breathing at all
9-E-2 Suspected Workable arrest (not breathing/ineffective breathing): Uncertain breathing
31-UNCONSCIOUS / FAINTING (NEAR)
31-D-1 Unconscious – AGONAL/INEFFECTIVE BREATHING
31-E-1 INEFFECTIVE BREATHING