What value does EtCO2 have when predicting survival from cardiac arrest? We all know a sharp spike in EtCO2 is associated with ROSC, but what about persistently elevated levels? What does this mean for decision-making regarding the termination of resuscitation? Join Drs. Jeff Jarvis, Remle Crowe, and Heidi Abraham for the first episode of “Between Two Nerds,” a subgenre of the EMS Lighthouse Project podcast suggested in episode 82 by Dr. CJ Winckler, as they run through a new paper that may shed some light on this question. Citation:1. Smida T, Menegazzi JJ, Crowe RP, Salcido DD, Bardes J, Myers B: The Association of Prehospital End-Tidal Carbon Dioxide with Survival Following Out-of-Hospital Cardiac Arrest. Prehospital Emergency Care. 2024;April 2;28(3):478–84.2. Levine RL, Wayne MA, Miller C: End-Tidal Carbon Dioxide and Outcome of Out-of-Hospital Cardiac Arrest. N Engl J Med. 1997;337:301–6.3. Page, J. The Magic of 3 AM. PennWell Books. Tulsa, OK. 2017 

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