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Abstract
Hypoxemia, as measured by pulse oximetry (SpO2), is common in postanesthesia care
unit (PACU) patients. The temporal distribution of desaturation has managerial implications
because treatment may necessitate the presence of an anesthesiologist.
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From the *Department of Anesthesiology, Sidney Kimmel Medical College at Thomas Jefferson
University, Philadelphia, Pennsylvania; †Division of Management Consulting, Department
of Anesthesia, University of Iowa, Iowa City, Iowa; ‡Department of Anesthesiology,
Vanderbilt University, Nashville, Tennessee; and, §Departments of Anesthesiology,
Bioinformatics, Health Policy and Surgery, Vanderbilt University, Nashville, Tennessee.