Capnography as a Clinical Tool by Ira Cheifetz, MD, FCCM, FAARC for OPENPediatrics

Explore standard and emerging techniques in time-based and volumetric capnography in this comprehensive 41-minute video lecture by Dr. Ira Cheifetz, Chief of Critical Care at Duke Children's Hospital. Gain insights into ventilation-perfusion relationships and their importance in critical care. Learn about different types of capnography devices, normal capnogram interpretation, and the availability of capnography on inpatient wards. Discover the significance of end-tidal CO2 (EtCO2) in CPR provider fatigue and return of spontaneous circulation. Delve into volumetric capnography, including single breath CO2 waveforms, normal CO2 elimination, and factors influencing it. Understand how CO2 can predict fluid responsiveness and explore concepts such as physiologic dead space, its measurement, and its relation to extubation success and ARDS mortality. Compare alveolar dead space fraction with Vd/Vt ratio for a comprehensive understanding of capnography as a clinical tool in pediatric critical care.

Intro
Ventilation-Perfusion (V/Q) Relationships
Types of Capnography Devices
Normal Capnogram
Capnography Availability on Inpatient Wards
EtCO, and CPR Provider Fatigue
EtCO, and Return of Spontaneous Circulation
Factors Influencing EtCO2
Volumetric Capnography
Single Breath CO, Waveform
Normal CO2 Elimination (VCO)
Factors Influencing CO2 Elimination
CO, as Predictor of Fluid Responsiveness
Physiologic Dead Space
Single Breath Expired CO2 Waveform
Measuring Physiological Dead Space
Vd/Vt and Extubation Success
Vd/Vt and ARDS Mortality
Alveolar Dead Space Fraction and Mortality
AVDS Fraction vs Vd/Vt Ratio