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najafidm cardiology.blog.ir 2nd Edition ’ TM HARRISON S CardiovasCular MediCine najafidm cardiology.blog.ir Derived from Harrison’s Principles of Internal Medicine, 18th Edition Editors Dan L. Longo, anthony s. Fauci, md md Professor of Medicine, Harvard Medical School; Chief, Laboratory of Immunoregulation; Senior Physician, Brigham and Women’s Hospital; Director, National Institute of Allergy and Infectious Diseases, Deputy Editor, New England Journal of Medicine, National Institutes of Health, Boston, Massachusetts Bethesda, Maryland DEnnis L. KaspEr, stEphEn L. hausEr, md md William Ellery Channing Professor of Medicine, Robert A. Fishman Distinguished Professor Professor of Microbiology and Molecular Genetics, and Chairman, Department of Neurology, Harvard Medical School; Director, Channing Laboratory, University of California, San Francisco, Department of Medicine, Brigham and Women’s Hospital, San Francisco, California Boston, Massachusetts J. Larry JamEson, , JosEph LoscaLzo, , md phD md phD Robert G. Dunlop Professor of Medicine; Hersey Professor of the Theory and Practice of Medicine, Dean, University of Pennsylvania School of Medicine; Harvard Medical School; Chairman, Department of Medicine; Executive Vice-President of the University of Pennsylvania Physician-in-Chief, Brigham and Women’s Hospital, for the Health System, Philadelphia, Pennsylvania Boston, Massachusetts najafidm cardiology.blog.ir 2nd Edition ’ TM HARRISON S CardiovasCular MediCine EDitor Joseph Loscalzo, mD, phD Hersey Professor of the Theory and Practice of Medicine, Harvard Medical School; Chairman, Department of Medicine; Physician-in-Chief, Brigham and Women’s Hospital, Boston, Massachusetts New York Chicago San Francisco Lisbon London Madrid Mexico City Milan New Delhi San Juan Seoul Singapore Sydney Toronto najafidm cardiology.blog.ir Copyright © 2013 by McGraw-Hill Education, LLC. All rights reserved. Except as permitted under the United States Copyright Act of 1976, no part of this publica- tion 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: 978-0-07-181499-7 MHID: 0-07-181499-X The material in this eBook also appears in the print version of this title: ISBN: 978-0-07-181498-0, MHID: 0-07-181498-1. 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 Education 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 [email protected]. Dr. Fauci’s work as an editor and author was performed outside the scope of his employment as a U.S. government employee. This work represents his personal and professional views and not necessarily those of the U.S. government. This book was set in Bembo by Cenveo® Publisher Services. The editors were James F. Shanahan and Kim J. Davis. The production supervisor was Catherine H. Saggese. Project management was provided by Tania Andrabi, Cenveo Publisher Services. The cover design was by Thomas DePierro. Cover illustration, the coronary vessels of the heart, © MedicalRF.com/Corbis. TERMS OF USE This is a copyrighted work and McGraw-Hill Education, LLC. 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-Hill Education’s 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 EDUCATION 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 Education 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 Education 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 therefrom. McGraw-Hill Education has no responsibility for the content of any information accessed through the work. Under no circumstances shall McGraw-Hill Education 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. najafidm cardiology.blog.ir contents Contributors . . . . . . . . . . . . . . . . . . . . . . . . . . . . .vii 13 Diagnostic Cardiac Catheterization and Coronary Angiography . . . . . . . . . . . . . . . . . .117 Preface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ix Jane A. Leopold, David P. Faxon SECTION I SECTION III IntroductIon to cardIovascular Heart rHytHm dIsturbances dIsorders 14 Principles of Electrophysiology . . . . . . . . . . . . .128 1 Basic Biology of the Cardiovascular System . . . . . .2 David D. Spragg, Gordon F. Tomaselli Joseph Loscalzo, Peter Libby, Jonathan Epstein 15 The Bradyarrhythmias . . . . . . . . . . . . . . . . . . .137 2 Epidemiology of Cardiovascular Disease . . . . . . .20 David D. Spragg, Gordon F. Tomaselli Thomas A. Gaziano, J. Michael Gaziano 16 The Tachyarrhythmias . . . . . . . . . . . . . . . . . . .151 3 Approach to the Patient with Possible Francis Marchlinski Cardiovascular Disease . . . . . . . . . . . . . . . . . . . .28 Joseph Loscalzo SECTION IV dIsorders of tHe Heart SECTION II dIagnosIs of cardIovascular 17 Heart Failure and Cor Pulmonale . . . . . . . . . . .182 dIsorders Douglas L. Mann, Murali Chakinala 4 Chest Discomfort . . . . . . . . . . . . . . . . . . . . . . .34 18 Cardiac Transplantation and Thomas H. Lee Prolonged Assisted Circulation . . . . . . . . . . . . .201 Sharon A. Hunt, Hari R. Mallidi 5 Dyspnea . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .42 Richard M. Schwartzstein 19 Congenital Heart Disease in the Adult . . . . . . .207 John S. Child, Jamil Aboulhosn 6 Hypoxia and Cyanosis . . . . . . . . . . . . . . . . . . . .49 Joseph Loscalzo 20 Valvular Heart Disease . . . . . . . . . . . . . . . . . . .219 Patrick O’Gara, Joseph Loscalzo 7 Edema . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .54 Eugene Braunwald, Joseph Loscalzo 21 Cardiomyopathy and Myocarditis . . . . . . . . . . .248 Lynne Warner Stevenson, Joseph Loscalzo 8 Palpitations . . . . . . . . . . . . . . . . . . . . . . . . . . . .61 Joseph Loscalzo 22 Pericardial Disease . . . . . . . . . . . . . . . . . . . . . .273 Eugene Braunwald 9 Physical Examination of the Cardiovascular System . . . . . . . . . . . . . . . . .63 23 Tumors and Trauma of the Heart . . . . . . . . . . .284 Patrick T. O’Gara, Joseph Loscalzo Eric H. Awtry, Wilson S. Colucci 10 Approach to the Patient with a Heart Murmur . . .76 24 Cardiac Manifestations of Systemic Disease . . . .289 Patrick T. O’Gara, Joseph Loscalzo Eric H. Awtry, Wilson S. Colucci 11 Electrocardiography . . . . . . . . . . . . . . . . . . . . . .89 25 Infective Endocarditis . . . . . . . . . . . . . . . . . . .294 Ary L. Goldberger Adolf W. Karchmer 12 Noninvasive Cardiac Imaging: 26 Acute Rheumatic Fever . . . . . . . . . . . . . . . . . .309 Echocardiography, Nuclear Cardiology, Jonathan R. Carapetis and MRI/CT Imaging. . . . . . . . . . . . . . . . . . .101 27 Chagas’ Disease . . . . . . . . . . . . . . . . . . . . . . . .316 Rick A. Nishimura, Panithaya Chareonthaitawee, Louis V. Kirchhoff, Anis Rassi, Jr. Matthew Martinez v najafidm cardiology.blog.ir vi Contents 28 Cardiogenic Shock and Pulmonary Edema . . . .320 38 Diseases of the Aorta . . . . . . . . . . . . . . . . . . . .467 Judith S. Hochman, David H. Ingbar Mark A. Creager, Joseph Loscalzo 29 Cardiovascular Collapse, Cardiac Arrest, and 39 Vascular Diseases of the Extremities . . . . . . . . .476 Sudden Cardiac Death . . . . . . . . . . . . . . . . . . .328 Mark A. Creager, Joseph Loscalzo Robert J. Myerburg, Agustin Castellanos 40 Pulmonary Hypertension . . . . . . . . . . . . . . . . .490 Stuart Rich SECTION V dIsorders of tHe vasculature SECTION VI 30 The Pathogenesis, Prevention, and cardIovascular atlases Treatment of Atherosclerosis . . . . . . . . . . . . . .340 41 Atlas of Electrocardiography . . . . . . . . . . . . . . .500 Peter Libby Ary L. Goldberger 31 Disorders of Lipoprotein Metabolism . . . . . . . .353 42 Atlas of Noninvasive Cardiac Imaging . . . . . . .517 Daniel J. Rader, Helen H. Hobbs Rick A. Nishimura, Panithaya Chareonthaitawee, 32 The Metabolic Syndrome . . . . . . . . . . . . . . . .377 Matthew Martinez Robert H. Eckel 43 Atlas of Cardiac Arrhythmias . . . . . . . . . . . . . .526 33 Ischemic Heart Disease . . . . . . . . . . . . . . . . . .385 Ary L. Goldberger Elliott M. Antman, Andrew P. Selwyn, 44 Atlas of Percutaneous Revascularization . . . . . .539 Joseph Loscalzo Jane A. Leopold, Deepak L. Bhatt, 34 Unstable Angina and Non-ST-Segment David P. Faxon Elevation Myocardial Infarction . . . . . . . . . . . .407 Appendix Christopher P. Cannon, Eugene Braunwald Laboratory Values of Clinical Importance .......549 35 ST-Segment Elevation Myocardial Infarction . . .415 Alexander Kratz, Michael A. Pesce, Elliott M. Antman, Joseph Loscalzo Robert C. Basner, Andrew J. Einstein 36 Percutaneous Coronary Interventions and Review and Self-Assessment . . . . . . . . . . . . . . .575 Other Interventional Procedures . . . . . . . . . . .434 Charles Wiener, Cynthia D. Brown, David P. Faxon, Deepak L. Bhatt Anna R. Hemnes 37 Hypertensive Vascular Disease . . . . . . . . . . . . .443 Theodore A. Kotchen Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .615 najafidm cardiology.blog.ir contrIbutors Numbers in brackets refer to the chapter(s) written or cowritten by the contributor. Jamil Aboulhosn, MD UCLA Adult Noninvasive Cardiodiagnostics Laboratory, Ronald Assistant Professor, Departments of Medicine and Pediatrics, Reagan-UCLA Medical Center, Los Angeles, California [19] David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, California [19] Wilson S. Colucci, MD Thomas J. Ryan Professor of Medicine, Boston University School Elliott M. Antman, MD of Medicine; Chief of Cardiovascular Medicine, Boston Medical Professor of Medicine, Harvard Medical School; Brigham and Center, Boston, Massachusetts [23, 24] Women’s Hospital, Boston, Massachusetts [33, 35] Mark A. Creager, MD Eric H. Awtry, MD Professor of Medicine, Harvard Medical School; Simon C. Fireman Assistant Professor of Medicine, Boston University School of Scholar in Cardiovascular Medicine; Director, Vascular Center, Medicine; Inpatient Clinical Director, Section of Cardiology, Brigham and Women’s Hospital, Boston, Massachusetts [38, 39] Boston Medical Center, Boston, Massachusetts [23, 24] Robert H. Eckel, MD Robert C. Basner, MD Professor of Medicine, Division of Endocrinology, Metabolism and Professor of Clinical Medicine, Division of Pulmonary, Allergy, and Diabetes, Division of Cardiology; Professor of Physiology and Critical Care Medicine, Columbia University College of Physicians Biophysics, Charles A. Boettcher, II Chair in Atherosclerosis, and Surgeons, New York, New York [Appendix] University of Colorado School of Medicine, Anschutz Medical Deepak L. Bhatt, MD, MPH Campus, Director Lipid Clinic, University of Colorado Hospital, Associate Professor of Medicine, Harvard Medical School; Chief Aurora, Colorado [32] of Cardiology, VA Boston Healthcare System; Director, Integrated Andrew J. Einstein, MD, PhD Interventional Cardiovascular Program, Brigham and Women’s Assistant Professor of Clinical Medicine, Columbia University Hospital and VA Boston Healthcare System; Senior Investigator, College of Physicians and Surgeons; Department of Medicine, TIMI Study Group, Boston, Massachusetts [36, 44] Division of Cardiology, Department of Radiology, Columbia Eugene Braunwald, MD, MA (Hon), ScD (Hon) FRCP University Medical Center and New York-Presbyterian Hospital, Distinguished Hersey Professor of Medicine, Harvard Medical New York, New York [Appendix] School; Founding Chairman, TIMI Study Group, Brigham and Jonathan A. Epstein, MD, DTMH Women’s Hospital, Boston, Massachusetts [7, 22, 34] William Wikoff Smith Professor of Medicine; Chairman, Cynthia D. Brown, MD Department of Cell and Developmental Biology; Scientific Director, Assistant Professor of Medicine, Division of Pulmonary and Critical Cardiovascular Institute, University of Pennsylvania, Philadelphia, Care Medicine, University of Virginia, Charlottesville, Virginia Pennsylvania [1] [Review and Self-Assessment] David P. Faxon, MD Christopher P. Cannon, MD Senior Lecturer, Harvard Medical School; Vice Chair of Medicine Associate Professor of Medicine, Harvard Medical School; Senior for Strategic Planning, Department of Medicine, Brigham and Investigator, TIMI Study Group, Brigham and Women’s Hospital, Women’s Hospital, Boston, Massachusetts [13, 36, 44] Boston, Massachusetts [34] J. Michael Gaziano, MD, MPH Jonathan Carapetis, PhD, MBBS, FRACP, FAFPHM Professor of Medicine, Harvard Medical School; Chief, Division of Director, Menzies School of Health Research, Charles Darwin Aging, Brigham and Women’s Hospital; Director, Massachusetts University, Darwin, Australia [26] Veterans Epidemiology Center, Boston VA Healthcare System, Boston, Massachusetts [2] Agustin Castellanos, MD Professor of Medicine, and Director, Clinical Electrophysiology, Thomas A. Gaziano, MD, MSc Division of Cardiology, University of Miami Miller School of Assistant Professor, Harvard Medical School; Assistant Professor, Medicine, Miami, Florida [29] Health Policy and Management, Center for Health Decision Murali Chakinala, MD Sciences, Harvard School of Public Health; Associate Physician in Associate Professor of Medicine, Division of Pulmonary and Cardiovascular Medicine, Department of Cardiology, Brigham and Critical Care Medicine, Washington University School of Medicine, Women’s Hospital, Boston, Massachusetts [2] St. Louis, Missouri [17] Ary L. Goldberger, MD Panithaya Chareonthaitawee, MD Professor of Medicine, Harvard Medical School; Wyss Institute for Associate Professor of Medicine, Mayo Clinic College of Medicine, Biologically Inspired Engineering, Harvard University; Beth Israel Rochester, Minnesota [12, 42] Deaconess Medical Center, Boston, Massachusetts [11, 41, 43] John S. Child, MD, FACC, FAHA, FASE Anna R. Hemnes, MD Streisand Professor of Medicine and Cardiology, Geffen School of Assistant Professor, Division of Allergy, Pulmonary, and Critical Medicine, University of California, Los Angeles (UCLA); Director, Care Medicine, Vanderbilt University Medical Center, Nashville, Ahmanson-UCLA Adult Congenital Heart Disease Center; Director, Tennessee [Review and Self-Assessment] vii najafidm cardiology.blog.ir viii Contributors Helen H. Hobbs, MD Francis Marchlinski, MD Professor of Internal Medicine and Molecular Genetics, University Professor of Medicine; Director, Cardiac Electrophysiology, University of Texas Southwestern Medical Center, Dallas, Texas; Investigator, of Pennsylvania Health System, Philadelphia, Pennsylvania [16] Howard Hughes Medical Institute, Chevy Chase, Maryland [31] Matthew Martinez, MD Judith S. Hochman, MD Lehigh Valley Physician Group, Lehigh Valley Heart Specialists, Harold Snyder Family Professor of Cardiology; Clinical Chief, Allentown, Pennsylvania [12, 42] Leon Charney Division of Cardiology; Co-Director, NYU-HHC Clinical and Translational Science Institute; Director, Cardiovascular Robert J. Myerburg, MD Clinical Research Center, New York University School of Professor, Departments of Medicine and Physiology, Division of Medicine, New York, New York [28] Cardiology; AHA Chair in Cardiovascular Research, University of Miami Miller School of Medicine, Miami, Florida [29] Sharon A. Hunt, MD, FACC Professor, Division of Cardiovascular Medicine, Stanford University, Rick A. Nishimura, MD, FACC, FACP Palo Alto, California [18] Judd and Mary Morris Leighton Professor of Cardiovascular Diseases; Professor of Medicine; Consultant, Division of Cardiovascular David H. Ingbar, MD Diseases and Internal Medicine, Mayo Clinic College of Medicine, Professor of Medicine, Pediatrics, and Physiology; Director, Rochester, Minnesota [12, 42] Pulmonary Allergy, Critical Care and Sleep Division, University of Minnesota School of Medicine, Minneapolis, Minnesota [28] Patrick T. O’Gara, MD Professor of Medicine, Harvard Medical School; Director, Clinical Adolf W. Karchmer, MD Cardiology, Brigham and Women’s Hospital, Boston, Massachusetts Professor of Medicine, Harvard Medical School; Division of [9, 10, 20] Infectious Diseases, Beth Israel Deaconess Medical Center, Boston, Massachusetts [25] Michael A. Pesce, PhD Professor Emeritus of Pathology and Cell Biology, Columbia Louis V. Kirchhoff, MD, MPH University College of Physicians and Surgeons; Columbia Professor of Internal Medicine (Infectious Diseases) and Epidemiology, University Medical Center, New York, New York [Appendix] Department of Internal Medicine, The University of Iowa, Iowa City, Iowa [27] Daniel J. Rader, MD Cooper-McClure Professor of Medicine and Pharmacology, Theodore A. Kotchen, MD University of Pennsylvania School of Medicine, Philadelphia, Professor Emeritus, Department of Medicine; Associate Dean for Pennsylvania [31] Clinical Research, Medical College of Wisconsin, Milwaukee, Wisconsin [37] Anis Rassi, Jr., MD, PhD, FACC, FACP, FAHA Scientific Director, Anis Rassi Hospital, Goiânia, Brazil [27] Alexander Kratz, MD, PhD, MPH Associate Professor of Pathology and Cell Biology, Columbia Stuart Rich, MD University College of Physicians and Surgeons; Director, Core Professor of Medicine, Department of Medicine, Section of Laboratory, Columbia University Medical Center, New York, Cardiology, University of Chicago, Chicago, Illinois [40] New York [Appendix] Richard M. Schwartzstein, MD Thomas H. Lee, MD, MSc Ellen and Melvin Gordon Professor of Medicine and Medical Professor of Medicine, Harvard Medical School; Network President, Education; Associate Chief, Division of Pulmonary, Critical Care, Partners Healthcare System, Boston, Massachusetts [4] and Sleep Medicine, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts [5] Jane A. Leopold, MD Associate Professor of Medicine, Harvard Medical School; Andrew P. Selwyn, MD, MBCHB Brigham and Women’s Hospital, Boston, Massachusetts [13, 44] Professor of Medicine, Harvard Medical School; Brigham and Women’s Hospital, Boston, Massachusetts [33] Peter Libby, MD Mallinckrodt Professor of Medicine, Harvard Medical School; David D. Spragg, MD Chief, Cardiovascular Medicine, Brigham and Women’s Hospital, Assistant Professor of Medicine, Johns Hopkins University, Boston, Massachusetts [1, 30] Baltimore, Maryland [14, 15] Joseph Loscalzo, MD, PhD Lynne Warner Stevenson, MD Hersey Professor of the Theory and Practice of Medicine, Professor of Medicine, Harvard Medical School; Director, Harvard Medical School; Chairman, Department of Medicine; Heart Failure Program, Brigham and Women’s Hospital, Physician-in-Chief, Brigham and Women’s Hospital, Boston, Boston, Massachusetts [21] Massachusetts [1, 3, 6–10, 20, 21, 33, 35, 38, 39] Gordon F. Tomaselli, MD Hari R. Mallidi, MD Michel Mirowski, MD Professor of Cardiology; Professor of Medicine Assistant Professor of Cardiothoracic Surgery; Director of and Cellular and Molecular Medicine; Chief, Division of Cardiology, Mechanical Circulatory Support, Stanford University Medical Johns Hopkins University, Baltimore, Maryland [14, 15] Center, Stanford, California [18] Charles M. Wiener, MD Douglas L. Mann, MD Dean/CEO Perdana University Graduate School of Medicine, Lewin Chair and Chief, Cardiovascular Division; Professor of Selangor, Malaysia; Professor of Medicine and Physiology, Johns Medicine, Cell Biology and Physiology, Washington University Hopkins University School of Medicine, Baltimore, Maryland School of Medicine, St. Louis, Missouri [17] [Review and Self-Assessment] najafidm cardiology.blog.ir Preface Harrison’s Principles of Internal Medicine has been a respected it. As knowledge about these complex systems expands, information source for more than 60 years. Over time, the opportunity for identifying unique therapeutic targets the traditional textbook has evolved to meet the needs of increases, holding great promise for definitive interven- internists, family physicians, nurses, and other health care tions in the future. Regenerative medicine is another area providers. The growing list of Harrison’s products now of cardiovascular medicine that is rapidly achieving trans- includes Harrison’s for the iPad, Harrison’s Manual of Medi- lation. Recognition that the adult human heart can repair cine, and Harrison’s Online. This book, Harrison’s Cardiovas- itself, albeit sparingly with typical injury, and that cardiac cular Medicine, now in its second edition, is a compilation precursor (stem) cells reside within the myocardium to do of chapters related to cardiovascular disorders. this can be expanded, and can be used to repair if not Our readers consistently note the sophistication of regenerate a normal heart is an exciting advance in the the material in the specialty sections of Harrison’s. Our field. These concepts represent a completely novel para- goal was to bring this information to our audience in digm that will revolutionize the future of the subspecialty. a more compact and usable form. Because the topic is In view of the importance of cardiovascular medicine to more focused, it is possible to enhance the presentation the field of internal medicine, and the rapidity with which of the material by enlarging the text and the tables. We the scientific basis for the discipline is advancing, Harrison’s have also included a Review and Self-Assessment section Cardiovascular Medicine was developed. The purpose of this that includes questions and answers to provoke reflection sectional is to provide the readers with a succinct overview and to provide additional teaching points. of the field of cardiovascular medicine. To achieve this Cardiovascular disease is the leading cause of death in goal, Harrison’s Cardiovascular Medicine comprises the key the United States, and is rapidly becoming a major cause cardiovascular chapters contained in the eighteenth edition of death in the developing world. Advances in the ther- of Harrison’s Principles of Internal Medicine, contributed by apy and prevention of cardiovascular diseases have clearly leading experts in the field. This sectional is designed not improved the lives of patients with these common, poten- only for physicians-in-training on cardiology rotations, but tially devastating disorders; yet, the disease prevalence also for practicing clinicians, other health care professionals, and the risk factor burden for disease (especially obesity and medical students who seek to enrich and update their in the United States and smoking worldwide) continue to knowledge of this rapidly changing field. The editors trust increase globally. Cardiovascular medicine is, therefore, of that this book will increase both the readers’ knowledge of crucial importance to the field of internal medicine. the field, and their appreciation for its importance. Cardiovascular medicine is a large and growing sub- The first section of the book, “Introduction to Car- specialty, and comprises a number of specific subfields, diovascular Disorders,” provides a systems overview, including coronary heart disease, congenital heart disease, beginning with the basic biology of the cardiovascu- valvular heart disease, cardiovascular imaging, electro- lar system, followed by epidemiology of cardiovascular physiology, and interventional cardiology. Many of these disease, and approach to the patient. The integration areas involve novel technologies that facilitate diagnosis of pathophysiology with clinical management is a hall- and therapy. The highly specialized nature of these disci- mark of Harrison’s, and can be found throughout each plines within cardiology and the increasing specialization of the subsequent disease-oriented chapters. The book of cardiologists argue for the importance of a broad view is divided into six main sections that reflect the scope of of cardiovascular medicine by the internist in helping to cardiovascular medicine: (I) Introduction to the Cardio- guide the patient through illness and the decisions that vascular System; (II) Diagnosis of Cardiovascular Disor- arise in the course of its treatment. ders; (III) Heart Rhythm Disturbances; (IV) Disorders The scientific underpinnings of cardiovascular medi- of the Heart; (V) Disorders of the Vasculature; and (VI) cine have also been evolving rapidly. The molecular Cardiovascular Atlases. pathogenesis and genetic basis for many diseases are now Our access to information through web-based jour- known and, with this knowledge, diagnostics and thera- nals and databases is remarkably efficient. Although peutics are becoming increasingly individualized. Car- these sources of information are invaluable, the daunting diovascular diseases are largely complex phenotypes, and body of data creates an even greater need for synthesis this structural and physiological complexity recapitulates by experts in the field. Thus, the preparation of these the complex molecular and genetic systems that underlie chapters is a special craft that requires the ability to distill ix najafidm cardiology.blog.ir

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