CASE FILES® Anesthesiology Also in the Case Files Series: Case Files: Anatomy, Second Edition Case Files: Biochemistry, Second Edition Case Files: Microbiology, Second Edition Case Files: Neuroscience Case Files: Pathology, Second Edition Case Files: Pharmacology, Second Edition Case Files: Physiology, Second Edition Case Files: Anesthesiology Case Files Emergency Medicine, Second Edition Case Files: Family Medicine, Third Edition Case Files: Internal Medicine, Third Edition Case Files: Neurology Case Files: Obstetrics and Gynecology, Third Edition Case Files: Pediatrics, Third Edition Case Files Psychiatry, Third Edition Case Files: Surgery, Third Edition Case Files: Gynecologic Surgery Case Files: High-Risk Obstetrics New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto Lydia Conlay, MD, PhD, MBA Formerly Professor of Anesthesiology Baylor College of Medicine Houston, Texas Currently Russell and Mary Shelden Professor of Anesthesiology University of Missouri College of Medicine Columbia, Missouri Julia Pollock, MD Program Director, Anesthesia Residency Staff Anesthesiologist Virginia Mason Medical Center Seattle, Washington Mary Ann Vann, MD Instructor in Anesthesia Harvard Medical School Beth Israel Deaconess Medical Center Boston, Massachusetts Sheela Pai, MD Associate Director, Residency Program Assistant Professor Temple University School of Medicine Philadelphia, Pennsylvania Eugene C. Toy, MD The John S. Dunn, Senior Academic Chair and Program Director The Methodist Hospital Ob/Gyn Residency Program Houston, Texas Vice Chair of Academic Affairs Department of Obstetrics and Gynecology The Methodist Hospital Houston, Texas Associate Clinical Professor and Clerkship Director Department of Obstetrics and Gynecology University of Texas–Houston Medical School Houston, Texas Associate Clinical Professor Weill Cornell College of Medicine New York, New York CASE FILES® Anesthesiology Copyright © 2011 by The McGraw-Hill Companies, Inc. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publication may be reproduced or distributed in any form or by any means, or stored in a database or retrieval system, without the prior written permission of the publisher. ISBN: 978-0-07-160640-0 MHID: 0-07-160640-8 The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-160639-4, MHID: 0-07-160639-4. All trademarks are trademarks of their respective owners. Rather than put a trademark symbol after every occurrence of a trademarked name, we use names in an editorial fashion only, and to the benefi t of the trademark owner, with no intention of infringement of the trademark. Where such designations appear in this book, they have been printed with initial caps. McGraw-Hill eBooks are available at special quantity discounts to use as premiums and sales pro- motions, or for use in corporate training programs. To contact a representative please e-mail us at