Effective ventilation at conventional rates with tidal volume below instrumental dead space: a bench study

ADC Fetal & Neonatal Edition, 05/01/2012

Contrary to conventional physiology, effective CO2 elimination appears to be possible with tidal volume (VT) < dead space (DS) even at conventional rates. With small ETT a spike of fresh gas likely penetrates through the DS, rather than pushing it ahead.

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