a LANGE medical book
CURRENT ESSENTIALS of MEDICINE
Fourth Edition
Edited by
Lawrence M. Tierney, Jr., MD
Professor of Medicine
University of California, San Francisco
Associate Chief of Medical Services
Veterans Affairs Medical Center
San Francisco, California
Sanjay Saint, MD, MPH
Associate Chief of Medicine, Ann Arbor VA Medical Center
Director, VA/UM Patient Safety Enhancement Program
Professor of Internal Medicine, University of Michigan Medical School
Ann Arbor, Michigan
Mary A. Whooley, MD
Professor of Medicine, Epidemiology and Biostatistics
University of California, San Francisco
Department of Veterans Affairs Medical Center
San Francisco, California


Copyright 2011, 2005, 2002, 1997 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: 978-0-07-176665-4
MHID: 0-07-176665-0
The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-163790-9, MHID: 0-07-163790-7.
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 benefit 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 promotions, or for use in corporate training programs. To contact a representative please e-mail us at bulksales@mcgraw-hill.com.
Notice
Medicine is an ever-changing science. As new research and clinical experience broaden our knowledge, changes in treatment and drug therapy are required. The authors and the publisher of this work have checked with sources believed to be reliable in their efforts to provide information that is complete and generally in accord with the standards accepted at the time of publication. However, in view of the possibility of human error or changes in medical sciences, neither the editors nor the publisher nor any other party who has been involved in the preparation or publication of this work warrants that the information contained herein is in every respect accurate or complete, and they disclaim all responsibility for any errors or omissions or for the results obtained from use of the information contained in this work. Readers are encouraged to confirm the information contained herein with other sources. For example and in particular, readers are advised to check the product information sheet included in the package of each drug they plan to administer to be certain that the information contained in this work is accurate and that changes have not been made in the recommended dose or in the contraindications for administration. This recommendation is of particular importance in connection with new or infrequently used drugs.
TERMS OF USE
This is a copyrighted work and The McGraw-Hill Companies, Inc. (McGraw-Hill) and its licensors reserve all rights in and to the work. Use of this work is subject to these terms. Except as permitted under the Copyright Act of 1976 and the right to store and retrieve one copy of the work, you may not decompile, disassemble, reverse engineer, reproduce, modify, create derivative works based upon, transmit, distribute, disseminate, sell, publish or sublicense the work or any part of it without McGraw-Hills prior consent. You may use the work for your own noncommercial and personal use; any other use of the work is strictly prohibited. Your right to use the work may be terminated if you fail to comply with these terms.
THE WORK IS PROVIDED AS IS. McGRAW-HILL AND ITS LICENSORS MAKE NO GUARANTEES OR WARRANTIES AS TO THE ACCURACY, ADEQUACY OR COMPLETENESS OF OR RESULTS TO BE OBTAINED FROM USING THE WORK, INCLUDING ANY INFORMATION THAT CAN BE ACCESSED THROUGH THE WORK VIA HYPERLINK OR OTHERWISE, AND EXPRESSLY DISCLAIM ANY WARRANTY, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. McGraw-Hill and its licensors do not warrant or guarantee that the functions contained in the work will meet your requirements or that its operation will be uninterrupted or error free. Neither McGraw-Hill nor its licensors shall be liable to you or anyone else for any inaccuracy, error or omission, regardless of cause, in the work or for any damages resulting there from. McGraw-Hill has no responsibility for the content of any information accessed through the work. Under no circumstances shall McGraw-Hill and/or its licensors be liable for any indirect, incidental, special, punitive, consequential or similar damages that result from the use of or inability to use the work, even if any of them has been advised of the possibility of such damages. This limitation of liability shall apply to any claim or cause whatsoever whether such claim or cause arises in contract, tort or otherwise.
To Katherine Tierney: a sister whose absolute commitment to her parents at the end of their lives provides a model for anyone fortunate enough to know her.
Lawrence M. Tierney, Jr.
To my father, Prem Saint, and father-in-law, James McCarthy, whose commitment to education will inspire generations.
Sanjay Saint
In memory of my mother, Mary Aquinas Whooley (19402003).
Mary A. Whooley
Contents
Contributors
Timir Baman, MD
Cardiolology Fellow, University of Michigan Medical School, Ann Arbor, Michigan
Cardiovascular Diseases
Alex Benson, MD
Fellow, Department of Pulmonary and Critical Care Medicine, University of Colorado Hospital, Aurora, Colorado
Pulmonary Diseases
Aaron Berg, MD
Clinical Lecturer and Hospitalist, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, Michigan
Fluid, AcidBase, and Electrolyte Disorders
Jeffrey Critchfield, MD
Associate Professor of Clinical Medicine, Department of Medicine, San Francisco General Hospital, University of California, San Francisco School of Medicine, San Francisco, California
Rheumatologic & Autoimmune Disorders
Vanja Douglas, MD
Assistant Clinical Professor, Department of Neurology, University of California, San Francisco, California
Neurologic Disorders
Rebecca A. Jackson, MD
Associate Professor & Chief, Obstetrics, Gynecology and Reproductive Sciences, San Francisco General Hospital, University of California, San Francisco, California
Gynecologic, Obstetric, and Breast Disorders
Kirsten Neudoerffer Kangelaris, MD
Research Fellow, Division of Hospital Medicine, University of California, San Francisco, California
Selected Genetic Disorders
Helen Kao, MD
Assistant Professor, Division of Geriatrics, Department of Medicine, University of California, San Francisco, San Francisco, California
Next page