ACP ® IM KSAP � Medical Knowledge Self-Assessment Program ® Pulmonary and Critical Care Medicine �o AC ® pAmerican College of Physicians Leading Internal Medicine, Improving Lives Welcome to the Pulmonary and Critical Care Medicine Section of MKSAP 17! In these pages, you will find updated information on pulmonary diagnostic testing; airways disease; diffuse parenchymal lung disease; occupational lung disease; pleural disease; pulmonary vascular disease; lung tumors; sleep medicine; high­ altitude-related illnesses; principles of ventilation in critical care; common ICU conditions, such as upper airway emergencies, respiratory failure, sepsis, anaphylaxis, and toxicologic emergencies; and other clinical challenges All of these topics are uniquely focused on the needs of generalists and subspecialists outside of pulmonary and critical care medicine The publication of the 17ih edition of Medical Knowledge Self-Assessment Program (MKSAP) represents nearly a half-century of serving as the gold-standard resource for internal medicine education It also marks its evolution into an innovative learning system to better meet the changing educational needs and learning styles of all internists The core content of MKSAP has been developed as in previous editions-newly generated, essential information in 11 topic areas of internal medicine created by dozens of leading generalists and subspecialists and guided by certification and recer­ tification requirements, emerging knowledge in the field, and user feedback MKSAP 17 also contains 1200 all-new, psycho­ metrically validated, and peer-reviewed multiple-choice questions (MCQs) for self-assessment and study, including 103 in Pulmonary and Critical Care Medicine MKSAP 17 continues to include High Value Care (HVC) recommendations, based on the concept of balancing clinical benefit with costs and harms, with links to MCQs that illustrate these principles In addition, HVC Key Points are highlighted in the text Also highlighted, with blue text, are Hospitalist-focused content and MCQs that directly address the learning needs of internists who work in the hospital setting MKSAP 17 Digital provides access to additional tools allowing you to customize your learning experience, including regular text updates with practice-changing, new information and 200 new self-assessment questions; a board-style pretest to help direct your learning; and enhanced custom-quiz options And, with MKSAP Complete, learners can access 1200 electronic flashcards for quick review of important concepts or review the updated and enhanced version of Virtual Ox, an image-based self-assessment tool As before, MKSAP 17 is optimized for use on your mobile devices, with iOS- and Android-based apps allowing you to sync your work between your apps and online account and submit for CME credits and MOC points online Please visit us at the MKSAP Resource Site (mksap.acponline.org) to find out how we can help you study, earn CME credit and MOC points, and stay up to date Whether you prefer to use the traditional print version or take advantage of the features available through the digital version, we hope you enjoy MKSAP 17 and that it meets and exceeds your personal learning needs On behalf of the many internists who have offered their time and expertise to create the content for MKSAP 17 and the editorial staff who work to bring this material to you in the best possible way, we are honored that you have chosen to use MKSAP 17 and appreciate any feedback about the program you may have Please feel free to send us any comments to mksap_editors@acponline.org Sincerely, Q"1, ' "{ y,� Philip A Masters, MD, FACP Editor-in-Chief Senior Physician Educator Director, Clinical Content Development Medical Education Division American College of Physicians ii Pulmonary and Critical Care Medicine Committee Craig E Daniels, MD, Section Editor2 Assistant Professor of Medicine Division of Pulmonary and Critical Care Medicine Mayo Clinic College of Medicine Rochester, Minnesota Richard S Eisenstaedt, MD, M ACP, Associate Editor' Clinical Professor of Medicine Temple University School of Medicine Chair, Department of Medicine Abington Memorial Hospital Abington, Pennsylvania FACP Rendell W Ashton, MD, Staff Physician, Cleveland Clinic Respiratory Institute Associate Director, Medical ICU Program Director, Pulmonary and Critical Care Fellowship Respiratory Institute, Cleveland Clinic Cleveland, Ohio Sean M Caples, DO, MS2 Assistant Professor of Medicine Division of Pulmonary and Critical Care Medicine Mayo Clinic College of Medicine Rochester, Minnesota C Jessica Dine, MD, FACP2 Assistant Professor of Medicine Perelman School of Medicine at the University of Pennsylvania Penn Lung Center Perelman Center for Advanced Medicine Philadelphia, Pennsylvania Stanley Fie!, MD, FACP2 Professor of Medicine Sidney Kimmel Medical College at Thomas Jefferson University Regional Chairman Department of Medicine Morristown Medical Center/Atlantic Health System Morristown, New Jersey Robert Kempainen, MD2 Associate Professor, Department of Medicine University of Minnesota School of Medicine Hennepin County Medical Center Minneapolis, Minnesota Sumita B Khatri, MD, MS2 Co-Director, Asthma Center Respiratory Institute, Cleveland Clinic Associate Professor of Medicine CCLCM/CWRU School of Medicine Cleveland, Ohio Timothy Whelan, MD2 Associate Professor of Medicine Medical Director of Lung Transplantation Medical University of South Carolina Charleston, South Carolina Margaret Wojnar, MD' Professor of Medicine Division of Pulmonary, Allergy and Critical Care Medicine Department of Medicine Penn State Milton S Hershey Medical Center Penn State College of Medicine Hershey, Pennsylvania Consultant Darlene Nelson, MD Assistant Professor Division of Pulmonary and Critical Care Medicine Mayo Clinic College of Medicine Rochester, Minnesota Editor-in-Chief Philip A Masters, MD, FACP Senior Physician Educator Director, Clinical Content Development American College of Physicians Philadelphia, Pennsylvania Director, Clinical Program Development Cynthia D Smith, MD, FACP American College of Physicians Philadelphia, Pennsylvania iii Pulmonary and Critical Care Medicine Reviewers Frantz Duffoo, MD, FACP Rabeh Elzuway, MD, MSc Gloria T Fioravanti, DO, FACP Lois J Geist, MD Jason M Golbin, DO, MS, FACP Kristen Kipps, MD Mark E Pasanen, MD, FACP1 Michael W Peterson, MD, FACP Jerry L Spivak, MD, FACP2 Angel Coz Yataco, MD Pulmonary and Critical Care Medicine ACP Editorial Staff Katie IdelP, Manager, Clinical Skills Program and Digital Products Susan Galeone1 , Staff Editor Margaret Wells1 , Director, Self-Assessment and Educational Programs Becky Krumm , Managing Editor ACP Principal Staff Patrick C Alguire, MD, FACP2 Senior Vice President, Medical Education Sean McKinney1 Vice President, Medical Education Margaret Wells1 Director, Self-Assessment and Educational Programs Becky Krumm Managing Editor Katie ldell Manager, Clinical Skills Program and Digital Products Valerie A Dangovetsky1 Administrator Ellen McDonald, PhD1 Senior Staff Editor Megan Zborowski1 Senior Staff Editor Randy Hendrickson1 Production Administrator/Editor Linnea Donnarumma1 Staff Editor Susan Galeone1 Staff Editor Jackie Twomey1 Staff Editor iv Julia Nawrocki1 Staff Editor Kimberly Kems1 Administrative Coordinator Rosemarie Houton Administrative Representative Has no relationships with any entity producing, marketing, reselling, or distributing health care goods or services consumed by, or used on, patients Has disclosed relationship(s) with any entity producing, marketing, reselling, or distributing health care goods or services consumed by, or used on, patients Disclosure of Relationships with any entity producing, marketing, reselling, or distributing health care goods or services consumed by, or used on, patients Patrick C Alguire, MD, FACP Consultantship National Board of Medical Examiners Royalties UpToDate Stock Options/Holdings Amgen, Bristol-Myers Squibb, GlaxoSmithKline, Stryker Corporation, Zimmer, Teva Pharmaceutical Industries, Medtronic, Covidien, Express Scripts Sean M Caples, DO, MS Consultantship Zephyr Labs Research Grants/Contracts ResMed Foundation, Ventus Medical Craig E Daniels, MD Patent Holder Sanovas (bronchoscopy equipment manufacturer) Research Grants/Contracts Boehringer Ingelheim, Genentech/Roche C Jessica Dine, MD, FACP Board Member Sink or Swim Consultantship National Board of Medical Examiners Stanley Fiel, MD, FACP Advisory Board Vertex Pharmaceuticals, Boehringer lngelheim, Gilead Sciences, Novartis, Pfizer Other PTC Therapeutics- Data Safety Management Board Chair Research Grants/Contracts Cystic Fibrosis Foundation, Gilead Sciences, Vertex Pharmaceuticals, Novartis Speakers Bureau Novartis, Sunovion Pharmaceuticals, Mylan, Gilead, Boehringer Ingelheim Consultantship Vertex Pharmaceuticals Robert Kempainen, MD Consultantship Association of Pulmonary and Critical Care Medicine Program Directors Sumita B Khatri, MD, MS Board Member American Lung Association of Midland States and National Employment Cleveland Clinic Research Grants/Contracts Boston Scientific, GlaxoSmithKline, Johnson and Johnson (Centocor),Teva Pharmaceuticals, Pfizer Advisory Board Asthma and Allergy Foundation of America, Medscape Consultantship Boehringer Ingelheim Kristen Kipps, MD Employment UCLA Cynthia D Smith, MD, FACP Stock Options/Holdings Merck and Co.; spousal employment at Merck Jerry L Spivak, MD, FACP Consultantship Incyte Corporation, Celgene, Novartis, Merck Timothy Whelan, MD Board Member LifePoint, Inc Consultantship lnterMune, LifePoint, Inc., Genentech, Boehringer Ingelheim Research Grants/Contracts InterMune, Celgene, Sanofi, Boehringer Ingelheim, Gilead, Pulmonary Fibrosis Foundation, Actelion, Centocor, Genzyme, Medimmune Advisory Board Genentech, Boehringer Ingelheim Acknowledgments The American College of Physicians (ACP) gratefully acknowledges the special contributions to the develop­ ment and production of the 17th edition of the Medical Knowledge Self-Assessment Program' (MKSAP' 17) made by the following people: Graphic Design: Michael Ripca (Graphics Technical Administrator) and WFGD Studio (Graphic Designers) Production/Systems: Dan Hoffmann (Director, Web Services & Systems Development), Neil Kohl (Senior Architect), Chris Patterson (Senior Architect), and Scott Hurd (Manager, Web Projects & CMS Services) MKSAP 17 Digital: Under the direction of Steven Spadt, Vice President, Digital Products & Services, the digital ver­ sion of MKSAP 17 was developed within the ACP's Digital Product Development Department, led by Brian Sweigard (Director) Other members of the team included Dan Barron (Senior Web Application Developer/ Architect), Chris Forrest (Senior Software Developer/Design Lead), Kara Kronenwetter (Senior Web Developer), Brad Lord (Senior Web Application Developer), John McKnight (Senior Web Developer), and Nate Pershall (Senior Web Developer) The College also wishes to acknowledge that many other persons, too numerous to mention, have contributed to the production of this program Without their dedicated efforts, this program would not have been possible MKSAP Resource Site (mksap.acponline.org) The MKSAP Resource Site (mksap.acponline.org) is a continually updated site that provides links to MKSAP 17 online answer sheets for print subscribers; the latest details on Continuing Medical Education (CME) and Maintenance of Certification (MOC) in the United States, Canada, and Australia; errata; and other new information ABIM Maintenance of Certification Check the MKSAP Resource Site (mksap.acponline.org) for the latest information on how MKSAP tests can be used to apply to the American Board of Internal Medicine for Maintenance of Certification (MOC) points Royal College Maintenance of Certification In Canada, MKSAP 17 is an Accredited Self-Assessment Program (Section 3) as defined by the Maintenance of Certification (MOC) Program ofThe Royal College of Physicians and Surgeons of Canada and approved by the Canadian Society of Internal Medicine on December 9, 2014 Approval extends from July 31, 2015 until July 31, 2018 for the Part A sections Approval extends from December 31, 2015 to December 31, 2018 for the Part B sections Fellows of the Royal College may earn three credits per hour for participating in MKSAP 17 under Section MKSAP 17 also meets multiple CanMEDS Roles, includ­ ing that of Medical Expert, Communicator, Collaborator, Manager, Health Advocate, Scholar, and Professional For information on how to apply MKSAP 17 Continuing Medical Education (CME) credits to the Royal College MOC Program, visit the MKSAP Resource Site at mksap.acponline.org V The Royal Australasian College of Physicians CPD Program Earn "Instantaneous" CME C:redits Online In Australia, MKSAP 17 is a Category program that may be used by Fellows of The Royal Australasian College of Physicians (RACP) to meet mandatory Continuing Professional Development (CPD) points Two CPD cred­ its are awarded for each of the 200 AMA PRA Category CreditsTM available in MKSAP 17 More information about using MKSAP 17 for this purpose is available at the MKSAP Resource Site at mksap.acponline.org and at www.racp.edu.au CPD credits earned through MKSAP 17 should be reported at the MyCPD site at www.racp edu.au/mycpd Print subscribers can enter their answers online to earn instantaneous Continuing Medical Education (CME) cred­ its You can submit your answers using online answer sheets that are provided at mksap.acponline.org, where a record of your MKSAP 17 credits will be available To earn CME credits, you need to answer all of the questions in a test and earn a score of at least 50% correct (number of correct answers divided by the total number of questions) Take any of the following approaches: Continuing Medical Education The American College of Physicians (ACP) is accredited by the Accreditation Council for Continuing Medical Education (ACCME) to provide continuing medical education for physicians The ACP designates this enduring material, MKSAP 17, for a maximum of 200 AMA PRA Category CreditsrM Physicians should claim only the credit commensurate with the extent of their participation in the activity Up to 19 AMA PRA Category CreditsTM are available from December 31, 2015, to December 31, 2018, for the MKSAP 17 Pulmonary and Critical Care Medicine section Learning Objectives The learning objectives of MKSAP 17 are to: • Close gaps between actual care in your practice and pre­ ferred standards of care, based on best evidence • Diagnose disease states that are less common and some­ times overlooked or confusing • Improve management of comorbid conditions that can complicate patient care • Determine when to refer patients for surgery or care by subspecialists • Pass the ABIM Certification Examination • Pass the ABIM Maintenance of Certification Examination Target Audience • General internists and primary care physicians • Subspecialists who need to remain up-to-date in internal medicine and in areas outside of their own subspecialty area • Residents preparing for the certification examination in internal medicine • Physicians preparing for maintenance of certification in internal medicine (recertification) vi Use the printed answer sheet at the back of this book to record your answers Go to mksap.acponline.org, access the appropriate online answer sheet, transcribe your answers, and submit your test for instantaneous CME credits There is no additional fee for this service Go to mksap.acponline.org, access the appropriate online answer sheet, directly enter your answers, and submit your test for instantaneous CME credits There is no additional fee for this service Pay a $15 processing fee per answer sheet and submit the printed answer sheet at the back of this book by mail or fax, as instructed on the answer sheet Make sure you calculate your score and fax the answer sheet to 215-351-2799 or mail the answer sheet to Member and Customer Service, American College of Physicians, 190 N Independence Mall West, Philadelphia, PA 19106-1572, using the courtesy envelope provided in your MKSAP 17 slipcase You will need your 10-digit order number and 8-digit ACP ID number, which are printed on your packing slip Please allow to weeks for your score report to be emailed back to you Be sure to include your email address for a response If you not have a 10-digit order number and 8-digit ACP ID number or if you need help creating a user name and password to access the MKSAP 17 online answer sheets, go to mksap.acponline.org or email custserv@acponline.org Disclosure Policy It is the policy of the American College of Physicians (ACP) to ensure balance, independence, objectivity, and scientific rigor in all of its educational activities To this end, and consistent with the policies of the ACP and the Accreditation Council for Continuing Medical Education (ACCME), contributors to all ACP continuing medical education activities are required to disclose all relevant financial relationships with any entity producing, mar­ keting, re-selling, or distributing health care goods or services consumed by, or used on, patients Contributors are required to use generic names in the discussion of therapeutic options and are required to identify any unap­ proved, off-label, or investigative use of commercial prod­ ucts or devices Where a trade name is used, all available trade names for the same product type are also included If trade-name products manufactured by companies with whom contributors have relationships are discussed, con­ tributors are asked to provide evidence-based citations in support of the discussion The information is reviewed by the committee responsible for producing this text If necessary, adjustments to topics or contributors' roles in content development are made to balance the discussion Further, all readers of this text are asked to evaluate the content for evidence of commercial bias and send any rel­ evant comments to mksap_editors@acponline.org so that future decisions about content and contributors can be made in light of this information Resolution of Conflicts To resolve all conflicts of interest and influences of vested interests, the American College of Physicians (ACP) pre­ cluded members of the content-creation committee from deciding on any content issues that involved generic or trade-name products associated with proprietary entities with which these committee members had relationships In addition, content was based on best evidence and updated clinical care guidelines, when such evidence and guidelines were available Contributors' disclosure infor­ mation can be found with the list of contributors' names and those of ACP principal staff listed in the beginning of this book Hospital-Based Medicine For the convenience of subscribers who provide care in hospital settings, content that is specific to the hospital setting has been highlighted in blue Hospital icons (Cl) highlight where the hospital-based content begins, continues over more than one page, and ends High Value Care Key Points Key Points in the text that relate to High Value Care con­ cepts (that is, concepts that discuss balancing clinical benefit with costs and harms) are designated by the HVC icon (HVC) Educational Disclaimer The editors and publisher of MKSAP 17 recognize that the development of new material offers many opportunities for error Despite our best efforts, some errors may persist in print Drug dosage schedules are, we believe, accurate and in accordance with current standards Readers are advised, however, to ensure that the rec­ ommended dosages in MKSAP 17 concur with the infor­ mation provided in the product information material This is especially important in cases of new, infrequently used, or highly toxic drugs Application of the informa­ tion in MKSAP 17 remains the professional responsibility of the practitioner The primary purpose of MKSAP 17 is educational Information presented, as well as publications, technol­ ogies, products, and/or services discussed, is intended to inform subscribers about the knowledge, techniques, and experiences of the contributors A diversity of professional opinion exists, and the views of the contributors are their own and not those of the American College of Physicians (ACP) Inclusion of any material in the program does not constitute endorsement or recommendation by the ACP The ACP does not warrant the safety, reliability, accuracy, completeness, or usefulness of and disclaims any and all liability for damages and claims that may result from the use of information, publications, technologies, products, and/or services discussed in this program Publisher's Information Copyright© 2015 American College of Physicians All rights reserved This publication is protected by copyright No part of this publication may be reproduced, stored in a retrieval system, or transmitted in any form or by any means, elec­ tronic or mechanical, including photocopy, without the express consent of the American College of Physicians MKSAP 17 is for individual use only Only one account per subscription will be permitted for the purpose of earning Continuing Medical Education (CME) credits and Maintenance of Certification (MOC) points/credits and for other authorized uses of MKSAP 17 Unauthorized Use of This Book Is Against the Law Unauthorized reproduction of this publication is unlaw­ ful The American College of Physicians (ACP) prohibits reproduction of this publication or any of its parts in any form either for individual use or for distribution The ACP will consider granting an individual per­ mission to reproduce only limited portions of this publication for his or her own exclusive use Send requests in writing to MKSAP" Permissions, American College of Physicians, 190 N Independence Mall West, Philadelphia, PA 19106-1572, or email your request to mksap_editors@acponline.org vii MKSAP 17 ISBN: 978-1-938245-18-3 (Pulmonary and Critical Care Medicine) ISBN: 978-1-938245-29-9 Printed in the United States of America For order information in the United States or Canada call 800-523-1546, extension 2600 All other countries call 215-351-2600, (M-F, AM - PM ET) Fax inquiries to 215-351-2799 or email to custserv@acponline.org viii Errata Errata for MKSAP 17 will be available through the MKSAP Resource Site at mksap.acponline.org as new information becomes known to the editors Table of Contents Pulmonary Diagnostic Tests Pulmonary Function Testing Spirometry BronchialChallenge Testing Lung Volumes Diffusing Capacity for Carbon Monoxide 6-Minute Walk Test Pulse Oximetry Imaging and Bronchoscopy Imaging Bronchoscopy Endobronchial Ultrasound Airways Disease Asthma Epidemiology and J:',!atural History Pathogenesis Risk Factors Symptoms andClinical Evaluation Asthma Syndromes Common Contributing Factors 10 Chronic Management 11 Management of Asthma Exacerbations 14 Severe Refractory Asthma 15 Asthma in Pregnancy 15 Chronic Obstructive Pulmonary Disease 15 Definition 15 Epidemiology 15 Pathophysiology 15 Risk Factors 16 Heterogeneity ofCOPD 16 Role ofComorbidConditions 16 Diagnosis 16 Assessment and Monitoring 17 Chronic Management 18 Acute Exacerbations 25 Bronchiectasis 27 Definition 27 Causes 27 Presentation 27 Diagnosis 28 Treatment 28 Cystic Fibrosis in Adults 28 Diagnosis 29 Treatment 29 Diffuse Parenchymal Lung Disease Overview 29 Classification and Epidemiology 29 Diagnostic Approach and Evaluation 31 High-ResolutionCT Scanning 32 Surgical Lung Biopsy 33 Diffuse Parenchymal Lung Diseases with a Known Cause 33 Smoking-Related Diffuse Parenchymal Lung Disease 33 Connective Tissue Diseases 33 Hypersensitivity Pneumonitis 34 Drug-Induced Parenchymal Lung Disease 35 Radiation-Induced Parenchymal Lung Disease 35 Diffuse Parenchymal Lung Diseases with an UnknownCause 36 Idiopathic Pulmonary Fibrosis 36 Nonspecific Interstitial Pneumonia 37 Cryptogenic Organizing Pneumonia 37 Acute Interstitial Pneumonia 38 Sarcoidosis 38 Lymphangioleiomyomatosis 39 Occupational Lung Disease When to Suspect an Occupational Lung Disease 39 Key Elements of the Exposure History 40 Management 40 Surveillance 40 Asbestos-Related Lung Disease 41 Risk Factors 41 Pathophysiology 41 Asbestos-Related Pleural Diseases 41 Silicosis 42 Pleural Disease Pleural Effusion 42 Evaluation 43 Management 45 Pneumothorax 46 ix Although bronchoscopy could potentially provide a diagnosis, resection is the treatment of choice in a patient with stage IA lung cancer Since she has no evidence of lymphadenopathy or other nodules, surgical resection may provide both diagnosis and cure If the bronchoscopy is neg­ ative, the pretest probability of a primary lung cancer is high enough that the patient would still require further tissue diagnosis as well Similarly, a negative transthoracic needle aspiration would not be reassuring since it only obtains a small num­ ber of cells; therefore, if the needle aspiration were negative for malignancy the patient would still require a second diag­ nostic procedure If the transthoracic needle aspiration con­ firmed malignancy, surgical resection would be indicated in the absence of any evidence of additional foci of malignancy TI1is patient's pulmonary nodule has already signifi­ cantly increased in size TI1erefore, further surveillance imaging, even if obtained sooner, is not indicated at this time At this point, the clinician should focus on the diagno­ sis, staging, and treatment KEY POINT • An enlarging pulmonary nodule warrants more aggressive evaluation with tissue diagnosis or excision depending on the nodule's pretest probabiHty of malignancy Bibliography Gould MK Fletcher J lannettoni MD el al: American College of Chest Physicians Evaluation of patients with pulmonary nodules: when is it lung cancer?: ACCP evidence-based clinical practice guidelines (2nd edi­ tion) Chest 2007 Sep:132(3 Suppi):108S-130S [PMID: 17873164] Item 89 Answer: A Answers and Critiques in clc1crmining 1hc ,1ppropri:11e selling or care lor ,1 specific patien1 l 'nfiir1t1n:11ely clc,1r crilcri,1 not exist for ictivat ing rapid rc