624074/07 9-5
Figure 9-1. How the P/V Tool works
9.2 Procedure
WARNING
• The P/V Tool can apply high pressures for
extended periods of time.
• Use caution when performing the P/V Tool
maneuver on patients with severe chronic
obstructive pulmonary disease, this can gener-
ate excessive volumes.
• DO NOT attempt to use this tool on an active
patient otherwise it can cause possible patient
discomfort and erroneous readings.
NOTE:
• Meaningful data from the P/V Tool maneuver
requires that there be no gas leak on the patient side
of the flow sensor, and that the flow sensor perform
well at very low flows. HAMILTON MEDICAL recom-
mends you to perform the tightness test and the
flow sensor calibration before using the P/V Tool.
However, if you have doubts about the validity of the
resulting data, also perform the breathing circuit and
flow sensor test described in Section 9.2.6.
To Next Page
Loading...