Fluke Biomedical MPS450 - Manual (Page 70)

MPS450
Operators Manual
2-38
the systemic (body) circulation to the pulmonary (lung-related) circulation. In other
words, the blood has been shunted from the left side of the heart to the right side, through
an abnormal aperture, such as a defect in the septum of the heart, or patient ductus
arteriosus (the persistence after birth of the open lumen between the aorta and the
pulmonary artery).
The MPS450 simulates both injectate-failure and left-to-right-shunt curves at either 0
° C
or 24 ° C.
Action in the Menu-Control Mode
1. To simulate a cardiac-output test involving either a faulty injectate (as if the injectate
alternately stops and starts), or a left-to-right-shunt condition, press the top-menu key
labeled CO.
2. To set the injectate temperature to 0 ° C or 24 ° C, select INJ to toggle to the desired
setting.
3. Scroll to the FAULTY INJ screen, or to the L/R SHUNT screen.
4. Select RUN. On the LCD screen, RUNNING flashes while the simulation is active.
To repeat a simulation, select RUN again.
5. To terminate a cardiac-output simulation, select END.
Alternatively, in the Numeric-Control Mode, press the number keys for a combined
condition/temperature simulation listed in Table 2-30, and select RUN:
Table 2-30. Numeric Code for Condition/Temperature Setting
Condition/Temperature Setting Numeric Code
FAULTY INJ 0 DEG 097
FAULTY INJ 24 DEG 099
L TO R SHUNT 0 DEG 098
L TO R SHUNT 24 DEG 100
Simulating Output From a Calibrated Pulse Signal
The MPS450 sends a waveform to test the calibration of a cardiac-output monitor,
simulating an injectate temperature of either 0 ° C or 24 ° C and a step change of 1.5 ° C
for 1 second.
Action in the Menu-Control Mode
1. Press the top-menu key labeled CO.
2. To set the injectate temperature to 0
° C or 24 ° C, select INJ to toggle to the desired
setting.
3. Select PREV or NEXT to scroll to the CAL PULSE screen.
4. Select RUN. On the LCD screen, RUNNING flashes while the simulation is active.
To repeat the simulation, select RUN again.
5. To terminate the simulation, select END.
Alternatively, in the Numeric-Control Mode, press the number keys for a calibration
setting listed in Table 2-31, and select RUN: