Capnography (continued)
VA
Alveolar ventilation is the volume of gas participating in gas
exchange per minute. Requires an arterial blood gas sample.
P/F
The PaO
2
/ FIO
2
ratio is a simple assessment of gas exchange
calculated from the FIO
2
monitor value and an arterial blood
oxygen measurement (required) entered by the clinician.
OI
Oxygenation index is a dimensionless number often used to
assess the “pressure cost” of oxygenation calculated from the FIO
2
mean airway pressure and an arterial blood oxygen measurement
(required) entered by the clinician.
Monitors and definitions (continued)
Available modes
Mode
Adult
Pediatric
Neonatal
Volume A/C
X
X
X
Volume SIMV
X
X
X
Pressure A/C*
X
X
X
Pressure SIMV*
X
X
X
TCPL A/C*
X
TCPL SIMV*
X
PRVC A/C
X
X
PRVC SIMV
X
X
APRV/BiPhasic
X
X
CPAP/ PSV
X
X
Nasal CPAP/IMV
X
*
Volume guarantee breaths available for neonates
