What if we told you there’s a number on your monitor that can predict ROSC, expose hidden shock, and even hint at metabolic acidosis before labs ever come back? In this high-energy deep dive, we break down ETCO₂ as the ultimate triad vital sign—reflecting ventilation, perfusion, and metabolism all at once—and show why it should guide your decision-making on nearly every call.

Through real EMS scenarios, waveform breakdowns, case logic, and critical care pearls, we teach you how to read ETCO₂ like a story instead of just a number. You’ll walk away confident knowing exactly what rising, dropping, or oddly shaped waveforms really mean for your patient.

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