Invasive pulmonary capillary wedge pressure measurements using a Swan-Ganz catheter (SGC) is considered the gold standard for cardiac output (CO) monitoring. In this prospective study, we will compare CO measurements between a PPG-based wearable monitor and a SGC in ambulatory CHF patients.
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Comparison of cardiac output obtained by a non-unvasive device to the invasive method
Timeframe: 2-4 hours per patient