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Water buildup
How to help prevent water buildup
2076152-001
Water results from exhaled gas and the chemical reaction between
CO2 and the absorbent that takes place within the absorber canister.
At lower fresh gas flows more water builds up because less gas is
scavenged and:
•
More CO2 stays in the absorber to react and produce water.
•
More moist, exhaled gas stays in the patient circuit and the
absorber.
Suggested ways to prevent water buildup include:
•
Ensure the water condensing in the breathing circuit tubes is
kept lower than the patient circuit ports and is not allowed to
drain back into the flow sensors.
•
Water condensation in the breathing circuit tubing might be
lessened by using a Heat and Moisture Exchange (HME) filter at
the airway connection.
9 User maintenance
9-13
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