Beyond the Number: How ETCO2 Guides EMS Decision Making

End-tidal carbon dioxide (ETCO2) gives EMS providers more than a respiratory number. It provides a real-time window into ventilation, perfusion, and metabolism, making capnography one of the most valuable monitoring tools in prehospital care. Every time a patient exhales, ETCO2 shows how effectively carbon dioxide moves from the tissues to the lungs and out of the […]