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9-4
Dash 2000 Patient Monitor
Revision C
2005873-001
Zero Reference
Zeroing the pressure transducer is very important for accurate pressure
measurement. Transducers should be zeroed frequently and always before
initiating treatment changes based on the pressure data.
To zero the pressure transducer, follow this procedure:
1. Close the transducer stopcock to the patient.
2. Open the venting stopcock to air (atmosphere).
3. Press the FUNCTION key on the front panel of the monitor.
4. Verify that zero reference has been established. (Watch the pressure
parameter window for messages.)
5. Close the venting stopcock to air (atmosphere).
6. Open the transducer stopcock to the patient. Within seconds pressure
numerics should be displayed in the pressure parameter windows.
As an alternative, select the ZERO option in the pressure menu.
Checklist
1. Patient cable is attached to the BP connector on the monitor.
2. Transducers are level according to unit policy. (Recommended
standard is level of right/left atrium.)
3. The transducer is zeroed.
4. Any entrapped air is removed from the system.
NOTE: Refer to the transducer manufacturer’s instructions for
suggested means of removing entrapped air from the
hydraulic system.
5. Pressure setup is adjusted, if necessary. Details are provided in this
chapter.
Содержание marquette Dash 2000
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