Ventilation Calculation; Calculation Procedure; Input Parameters; Output Parameters - EDAN iM50 User Manual

Patient Monitor User Manual
Items Unit
AaDO /PaO
/
2 2
DO I ml/min/m
2
VO I ml/min/m
2
CaO ml/L
2
CvO ml/L
2

22.4 Ventilation Calculation

22.4.1 Calculation Procedure

1. Select Menu > Common Function > Calculation > Ventilation .
2. Manually enter the values required on this interface. You can also directly obtain the values
of FiO , RR, PIP and PEEP if they are available from the monitor by selecting Get Info .
2
3. Select Calculate to output parameter value.

22.4.2 Input Parameters

Items Unit
FiO %
2
RR rpm
VT ml
PaCO mmHg
2
PaO mmHg
2
RQ /
PeCO mmHg
2
ATMP mmHg

22.4.3 Output Parameters

Items Unit
PAO mmHg
2
English Full
Name/Description
AaDO /PaO
2 2
2
Oxygen delivery
index
2
Oxygen
consumption
index
Arterial oxygen
content
Venous oxygen
content
English Full Name/Description
Percentage fraction of inspired oxygen
Respiration rate
Tidal volume
Partial pressure of carbon dioxide in the arteries
Partial pressure of oxygen in the arteries
Respiratory quotient
Partial pressure of mixed expiratory CO
Atmospheric pressure
English Full
Name/Description
Partial pressure of
oxygen in the alveoli
Formula
AaDO /PaO
2
(mmHg)]/PaO
DO I (ml/min/m
2
2
(m )
VO I (ml/min/m
2
2
(m )
CaO (ml/L) = 100 ×1.34 × Hb (g/L) ×
2
SaO (%)/100 + 0.031 × PaO
2
CvO (ml/L) = 100 ×1.34 × Hb (g/L) ×
2
SvO (%)/100 + 0.031 × PvO
2
Formula
PAO (mmHg) = [ATMP (mmHg) - 47
2
mmHg] × FiO
(mmHg) × [FiO
(%)/100)/RQ]
- 195 -
Calculation
= [PAO (mmHg) - PaO
2 2
(mmHg)
2
2
) = DO (ml/min)/BSA
2
2
) = VO (ml/min)/BSA
2
(mmHg)
2
(mmHg)
2
2
(%)/100 - PaCO
2
(%)/100 + (1 - FiO
2
2
2
2