The purpose of this study is to compare cardiac output (CO), fluid responsiveness, and related measurements between the Philips AMC and PAC (Swan-Ganz) in ICU or surgical patients.
Adults aged 18 years and older
Indication for PAC (Swan-Ganz)
Indication for radial arterial line
Subject or legal authorized representative is able to understand and speak the local language (also Spanish is also accepted for US sites) to provide voluntary written informed consent prior to study procedures
Emergency surgery
ICU or surgical positioning where both arms are tucked
Inability to place the Philips AMC appropriately due to subject anatomy or condition
Known pregnancy or lactating women (self-report)