Paceport Swan-Ganz Data Collection Study

Inclusion criteria

• Be ≥ 18 years of age presenting to the University of Minnesota Medical Center undergoing any cardiac surgery with cardiopulmonary bypass (CPB) or liver transplantation
• Participate in the Informed Consent process and sign/date the approved informed consent forms
• Projected to receive Swan-Ganz paceport catheter as part of procedure/standard of care with intermittent cardiac output and mixed venous oxygen saturation (SvO2) measures

Exclusion criteria

• Patients with a history of internal jugular vein thrombosis or known reasons for not being able to thread a central venous catheter through either internal jugular vein
• Patients with a history of known esophageal strictures, esophageal or stomach cancer, esophageal varices, or any patient in whom a TEE is contraindicated
• Patients with permanent pacemakers whose right ventricle is being paced and not in normal sinus rhythm
• Patients unable to consent to participating in the study
• Patients who are pregnant will be excluded, as part of standard care, all female patients are screened for pregnancy prior to surgery
• Patients under the age of 18 years old
• Patients with left bundle branch block, recurrent sepsis, or hypercoagulopathy
• Patients allergic to FORE-SIGHT Elite sensor adhesive
• Patients with latex allergy due to presence of latex in the Swan-Ganz catheter balloon.