YALE MEDICAL LIBRARY 3 9002 08627 8885 YALE UNIVERSITY CUSHING/WHITNEY MEDICAL LIBRARY Permission to photocopy or microfilm processing of this thesis for the purpose of individual scholarly consultation or reference is hereby granted by the author. This permission is not to be interpreted as affecting publication of this work or otherwise placing it in the public domain, and the author reserves all rights of ownership guaranteed under common law protection of unpublished manuscripts. Digitized by the Internet Archive in 2017 with funding from Arcadia Fund https://archive.org/details/continuousmonitoOOross Continuous Monitoring and Display of Emergency Department Patient Flow and Waiting Times: A Method to Reduce Overall Length of Stay A Thesis Submitted to the Yale University School of Medicine in Partial Fulfdlment of the Requirements for the Degree of Doctor of Medicine by Martin Rossip 1996 YAIF AWm [fRRURY Table of Contents ACKNOWLEDGMENTS.2 ABSTRACT.3 INTRODUCTION.5 Overview of the problem.5 Use of CQI methods to measure and direct improvements in quality.6 Uses of data display to alter patient management.8 Current uses of patient tracking systems in emergency departments.8 STATEMENT OF PURPOSE.10 METHODS.11 Study Design.11 Anatomy of an Emergency Department Visit.12 Description of the displays.13 Data Collection and Analysis.14 RESULTS.16 DISCUSSION.20 Implications for Emergency Care and CQI efforts.24 APPENDIX.26 Description of software developed for this study.26 Figures.29 Tables.32 REFERENCES.33