Welch Allyn Propaq Quick Start Guide For Co2 Waveforms - Quick Reference Guide - Manual (Page 4)

Endotracheal Tube “Leaks”
If air leaks around the endotracheal tube cuff, the alveolar (end-tidal) CO
2
gas is
diluted. The alveolar plateau is blunted, and it blends with the downstroke of the
capnogram. Look for:
• A deflated or leaky endotracheal or tracheal tube cuff
• An artificial airway that is too small for the patient
60
30
0
Rounded
QG_CO2.frm Page 4 Friday, February 13, 2004 4:26 PM