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HemoSphere Advanced Monitor 9 HemoSphere Swan-Ganz Module Monitoring
• Anatomical abnormalities (for example, cardiac shunts)
• Excessive patient movement
• Electrocautery or electrosurgical unit interference
• Rapid changes in cardiac output
9.3 Intermittent Cardiac Output
The HemoSphere Swan-Ganz module measures cardiac output intermittently using the bolus
thermodilution technique. With this technique, a small amount of sterile physiological solution (e.g., saline
or dextrose) at a known volume and temperature — cooler than blood temperature — is injected through
the catheter injectate port, and the resultant decrease in blood temperature is measured by the thermistor in
the pulmonary artery (PA). Up to six bolus injections can be completed in one series. The average value of
the injections in the series is displayed. The results of any series may be reviewed, and the user can remove
individual iCO (bolus) measurements that may have been compromised (e.g., patient movement, diathermia,
or operator error).
9.3.1 Connecting Patient Cables
1 Connect the patient CCO cable to the inserted HemoSphere Swan-Ganz module as previously
described in section 9.1.
2 Attach the catheter end of the patient CCO cable to the thermistor connector on the Swan-Ganz
iCO catheter as shown by in figure 9-4.
Status = Released Printed Date: 2018-01-16 Released Date: 2017-09-14
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