12. Pressure Monitoring
Figure 12-3. Pressure Transducers
12.1.1 Monitoring
The arterial and venous monitors (pressure readings on the video
display) indicate pressures in the extracorporeal arterial and
venous drip chambers. Whenever the pressure indicator goes
outside of the alarm limit window for more than the delay period
(0 to 6 seconds, see Section 17.3.2.15) set by the technician, the
Instrument goes into alarm.
During an arterial or venous blood pressure alarm, the following
events will occur:
• the main alarm lamp flashes
• the appropriate alarm indicator flashes on the screen
• the 3-light status lamp flashes
• the audio alarm sounds
• the blood pump stops
• the venous line clamp occludes the venous blood line
• the UF rate automatically goes to 0 L/h
• the elapsed time stops if the Instrument is in the Dialyze
Mode.
157-1278-919 Rev A 12-5
April 2004
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