ResMed Astral Series Clinical Guide

Monitoring
144
Parameter
Updates
Units
Range
Resolution
Accuracy
Measured Unintentional
Leak
(for double limb circuit
with expiratory valve)
End of breath
%
0 to 100
1
N/A
* When Resp. rate ≥ 8/min, and Pressure ≤ 30 hPa for circuits with intentional leak, and with non-compliant interface.
Pressure parameters
Parameter
Updates
Units
Range
Resolution
Accuracy
Pressure
Continuous
cmH
2
O or hPa
or mbar
0 to 99
0.1
±(0.5 hPa + 4% of
actual pressure)
PIP
End of
inhalation
cmH
2
O or hPa
or mbar
0 to 99
0.1
±15%
PEEP
End of
exhalation
cmH
2
O or hPa
or mbar
0 to 30
0.1
±(0.5 hPa + 4% of
actual pressure)
Avg. P
End of breath
cmH
2
O or hPa
or mbar
0 to 99
0.1
±(0.5 hPa + 4% of
actual pressure)
Other parameters
Parameter
Updates
Units
Range
Resolution
Accuracy
RSBI
End of breath
1/min-L
0 to 999
1
N/A
% Spont. Trig.
Start of
inhalation
%
0 to 100
1
N/A
% Spont. Cyc.
End of
inhalation
%
0 to 100
1
N/A
Measured Battery Time
Once per
minute
HH:MM
N/A
1 min
N/A
Measured Battery Charge
Level
Once per
minute
%
0 to 100
1
N/A
FiO
2
*
End of
inhalation
%
18 to 100
1
±(2.5% + 2.5% of
actual oxygen
concentration)**
SpO
2
Once per
second
% SpO
2
0 to 100
1
Refer to Nonin
Xpod 3012
technical
specifications at
www.nonin.com
Pulse rate
Once per
second
1/min
18 to 321
1
Refer to Nonin
Xpod 3012
technical
specifications at
www.nonin.com.
* FiO
2
monitoring automatically compensates for atmospheric pressure variation.
** The measured FiO
2
sampled at 25 Hz has a response time of <12s to 90% of the final value. The long term output drift is <1% volume oxygen
per month.

ResMed Astral Series Specifications

General

Type	Ventilator
Display	color LCD
Connectivity	USB
EPAP	0 to 25 cm H2O
Rise Time	Adjustable
PEEP	0 to 25 cm H2O
FiO2 Monitoring	Yes, with optional oxygen module
Battery Backup	Internal and external battery options
Oxygen Capability	Yes, with optional oxygen module
Alarms	Low battery
Pressure Support	0 to 30 cm H2O