A root cause analysis of 'falsely elevated' oxygen saturation: investigation of pneumatic tube transport and differences between estimated and measured saturation in a critical patient population

Affiliations

• ¹ Department of Pathology, The University of Chicago Medicine and Biological Sciences, 5841 S. Maryland Ave., Rm. TW 010-B, MC 0004, Chicago, IL 60637, USA, Phone: +773-702-2806, Fax: 773-702-6268.
• ² Department of Clinical Laboratories, UChicago Medicine, Chicago, IL, USA.
• ³ Department of Cardiovascular Service Line, UChicago Medicine, Chicago, IL, USA.
• ⁴ Department of Medicine, The University of Chicago, Chicago, IL, USA.
• ⁵ Department of Anesthesia and Critical Care, The University of Chicago, Chicago, IL, USA.
• ⁶ Department of Pathology, The University of Chicago, Chicago, IL, USA.