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Chapter 14: GAS Monitoring (Sidestream)
14.3 Nomoline Family sampling line replacement
Nomoline Family sampling lines should be replaced according to good clinical practice or when
the sampling line gets occluded. Occlusion occurs when water, secretion etc. is aspired from the
respiratory circuit to such extent that ISA cannot maintain the normal 50 sml/min sample flow.
This situation is indicated by a red flashing gas inlet connector and an alarm message; Replace
the Nomoline and wait until the gas inlet connector switches to green indicating that the ISA gas
analyzer is ready for use.
Warning
Replace the sampling line if the sampling line input connector starts flashing red, or the
Monitor displays a "Check sampling line" message.
Warning
Do not use sampling line if it or its package is damaged and return it to the vendor.
Warning
Use only the recommended ISA sampling line by the manufacturer. Other sampling lines
may cause sensor improper performance. (Refer to Accessories chapter for more detail)
14.4 Preparatory steps for Multi-gas monitoring
To set up ISA analyzer, follow these steps:
1. Securely mount the ISA analyzer.
2. Connect the ISA analyzer interface cable into corresponding connector on the side panel
of patient monitor.
3. Connect a Nomoline Family sampling line to the ISA analyzer input connector. It will
click into place when properly seated.
4. Connect the gas sample exhaust port to a scavenging system or return the gas to the
patient circuit to prevent pollution of the operation room when N
agents are being used.
14-6
User Manual
O and/or anesthetic
2
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