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Capnography (CO2)
Welch Allyn 86 Propaq Encore Reference Guide
Connect to an Intubated Patient
1. Connect the gas sampling elbow and elbow
connector into the patient’s breathing circuit
according to the manufacturer’s instructions.
2. Connect the sample line to the elbow connector and the watertrap. Make sure the
sample line is firmly connected.
CO
2
Messages
Mainstream CO
2
Messages
Equipment messages for the Mainstream CO
2
option can appear on the display in an
equipment alert window and in numeric zones.
If a sensor is damaged, contact Welch Allyn’ Technical Services Department for information
on sensor service options.
ALTIMETER FAILURE - RANGE. The Propaq is operating at an altitude outside the
Mainstream CO
2
option’s operating altitude range of -2,000 to 15,000 feet. Returning the
monitor to within this range automatically cancels this message and restores operation.
Warning The exhaust port for Sidestream
CO
2
is an output for the expired gases from
the patient and any connected breathing
apparatus. The exhaust port is intended only
for connection to gas collection equipment
such as gas scavenger devices. Do not
allow any other connection to the
exhaust port.
If you use a gas scavenging system with
Sidestream
CO
2
, be sure to install it
according to the manufacturer’s
instructions. The scavenging system
should comply with ISO 8835-3:1997 (E).
Sidestream
CO
2
accuracy decreases if additional tubing is connected to the
sample line. Avoid connecting additional tubing to the standard sample line.
Exhaust Port.
WARNING - Do not connect sample
line or patient input to exhaust port.
Watertrap
Sample Line
Elbow
Connector