624074/07 7-21
ExpMinVol
(l/min)
Monitoring 1,
2
Expiratory minute volume. The moving average
of the monitored expiratory volume per
minute, over the last 8 breaths.
In Noninvasive modes (NIV, NIV-ST, nCPAP-PS),
ExpMinVol is replaced by MinVol NIV.
FetCO
2
(%)
Monitoring 2 Fractional end-tidal CO
2
concentration.
PetCO
2
/(Pambient – PH
2
O), whereupon PH
2
O =
47 mmHg. Permits assessment of arterial CO
2
.
(Note that FetCO
2
is inaccurate in pulmonary
embolism.)
Only available if CO
2
sensor is installed.
fSpont
(b/min)
Monitoring 1 Spontaneous breath frequency. The moving
average of spontaneous breaths per minute,
over the last 8 spontaneous breaths.
An increased fSpont may indicate that the
patient is compensating increased compliance.
This may indicate ventilatory fatigue due to
imposed work of breathing.
fTotal
(b/min)
Monitoring 1
NOTE:
INTELLiVENT
®
-ASV manualRespiratory
rate monitoring on the HAMILTON-G5
requires breath delivery followed by
detection of expiratory flow at the prox-
imal flow sensor.
Total breathing frequency. The actual average
of the patient’s total breathing frequency over
the last 8 breaths, including both mandatory
and spontaneous breaths. When the patient
triggers or the user initiates a breath, fTotal
may be higher than the rate setting.
Table 7-1. Monitored parameters
Parame-
ter (unit)
Monitoring
Window
Definition
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