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9.2.6 Flow sensor and breathing circuit check
NOTE:
• Perform this check only when you require a much
higher quality of measurement.
• Ensure another source of ventilatory support is avai-
lable during this test. The patient must be discon-
nected from the ventilator during it.
• To ensure the validity of this test, you must use the
actual parts to be used when performing the P/V
Tool maneuver, including the flow sensor.
Reason to perform: If you have doubts about the validity of
P/V Tool maneuver data.
Required materials:
• Set up a breathing circuit to be used for P/V Tool, including
breathing circuit, flow sensor, expiratory membrane and
cover
• An adult (2 l) demonstration lung assembly with ET tube.
Figure 9-10. Demonstration lung assembly
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