ResMed Elisee 150 Clinical Manual page 43

Inspiration to expiration ratio
The ratio of inspiration time to expiration time for each breath.
P Insp.
P
Ti Te
V
Figure 4.11: I/E ratio.
Apnea time
Period of time after which the device delivers a respiratory cycle if the patient has not breathed.
This parameter is available in spontaneous mode only (see "Spontaneous ventilation (PS.SV (PS)
and PS.VT)" on page 56).
P
Figure 4.12: Apnea time.
Inspiratory time
Time during which the device is delivering insufflation to the patient.
P Insp.
P
Ti Te
V
Figure 4.13: Inspiratory time.
NOT013189-6
I/E
t
t
Tapnea (s)
Tapnea
Ex : 20 seconds
Ti (s)
t
t
Example:
Ti = 2seconds
Te = 4seconds
I/E = 1/2
t
Ventilation 43/170