Cardiac Output Thermodilution Method

**Semantic type:** Diagnostic Procedure

**Definition:** A technique for calculating cardiac output using a Swan-Ganz catheter that is inserted into the pulmonary artery through a peripheral vein to measure the change in right ventricular outflow blood temperature after a cold saline solution is injected into the right atrium from a proximal catheter port.

**Synonyms:** - CARDIAC THERMODILUTION