tahir99 - VRG & vip.persianss.ir Podrtd's Real-World ECGs A Master's Approach to the Art and Practice of Clinical ECG Interpretation Volume3 Podrid's Real-World ECGs A Master's Approach to the Art and Practice of Clinical ECG Interpretation Volume3 Philip Podrld, MD Rahul Kakkar, MD Professor ofM edicine Cardiology Fellow Professor ofP harmacology and Experimental Therapeutics Massachusetts General Hospital Boston University School of Medicine Harvard Medical School Lecturer in Medicine Boston, Massachusetts Harvard Medical School Boston, Massachusetts Peter A. Noseworthy, MD Attending Physician Cardiology Fellow West Roxbury VA Hospital Massachusetts General Hospital West Roxbury, Massachusetts Harvard Medical School Boston, Massachusetts Rajeev Malhotra, MD, MS Instructor in Medicine Cardiology Division Massachusetts General Hospital Harvard Medical School IJ cardiotext. Boston, Massachusetts PUBLISHING Minneapolis, Minnesota C 2013 Philip Podxid, Rajeev Malhotra, Rahul Kakkar, and Pete:r A. Nooeworthy Due to ongoing research, discoveries, modific:ationa to medicines, equipment and device•, and change• in government regulations, the: information contained in thi& book Cardiote><t Publiohing, LLC may not reflect the latest standards, developments, guidelines, regulations, products or 3405 W. 44th Stteet devices in the field. Readers are re1ponsible for keeping up to date with the latest Minneapolio, Minneoota, 55410 developments and are urged to review the latest inotructions and warnings for any USA medkine, equipment or medical devi<:e. Readers ohould consult with a specialiot or www.catdiotextpublishing.com contact the vendor of any medicine or medical device where appropriate. Any updates to this book may be found at: Except for the publisher's website associated with this work, the publisher is not www.catdiotextpublithing.com/titles/det:ail/.9781.9353.95010 affiliated with and doea not sponsor or endorae atty web1ites, organizations or other Comments, inquirieo, and requeoto for bulk saleo can be directed to the publioher at: oourceo of information referred to herein. These workbooks are dedicated first to my wife Vivian and son joshua, whose patience, tolerance, support, and love over the years have been limitless, exceptional, and inspirational. They are also dedicated to the many cardiology fellows, house staff, and medical students whom I have had the pleasure and honor of teaching over the past three decades and who have also taught me so very much. Philip Padrid To my wife Cindy and daughter Sapna, for all their love, support, and encouragement. Rsjeev Malhotra To my darling daughters, Mia and Eila, whom I love to infinity. Rahul Kakkar For Katie and Jack Peter A. Noseworthy v Contents Foreword by Roman W. DeSanctis, MD ................................................. ix Foreword by Hein J. Wellens, MD ......................................................... II Preface ................................................................................... xlll Introduction Conduction Abnormalities ....................................................... 1 Real-World ECGs: The Cases Core ECGs: 1-56 ................................................................... 15 Practice ECGs: 57-101 ........................................................ 275 Index ..................................................................................... 479 vii Foreword The invention of the electrocardiogram (ECG) by Dr. Willem Einthoven, purposes, and it is a portion of his incredible collection that has been first reported in 1901, ranks as one of the all-time great discoveries in used to spawn these books. medicine. Einthoven's landmark achievement was duly recognized in There are scores of textbooks on electrocardiography, but what 1924, when he was awarded the Nobel Prize in Medicine. sets these volumes apart is that every ECG is tied directly to an actual By the early 1940s, all of the components of the 12-lead ECG that clinical case. Each ECG is initially presented in a visually attrac- we use today were in place. When I finished my cardiology training tive and readable format accompanied by a clinical vignette. On the 50 years ago, the ECG was one of very few cardiodiagnostic tools next page, the salient features of the ECGs are highlighted, dissected, available to us. As a result, we received an intensity of training in elec- and discussed in meticulous detail, followed by a summary of the trocardiography that is generally not encountered in many of today's patient's clinical problem and treatment, particularly as they relate to cardiology fellowship programs, where the emphasis has shifted toward the ECG findings. the newer high-tech diagnostic modalities. Yet the ECG remains a The first volume in this unique series covers electrocardiography major pillar in the evaluation of disorders of the heart. In a patient with basics. It is followed by five more volumes covering the entire spectrum a cardiac arrhythmia, what diagnostic information does the treating of electrocardiography: myocardial abnormalities, conduction abnor- physician want the most? Of course-the ECG. Although the medical malities, arrhythmias, narrow and wide complex tachycardias, and a world progresses rapidly and changes constantly, the body of knowl- sixth volume amalgamating a potpourri of paced rhythms, congenital edge surrounding the ECG is virtually timeless. What was true 50 years abnormalities, and electrolyte disturbances. As I perused one of the ago is largely true today, and will remain so 50 years from now. workbooks, I truly enjoyed the experience. It is fun to try to guess the This wonderful series of ECG workbooks, appropriately entitled clinical problem from the ECG. In fact, on my teaching rounds, that "Real-World ECGs," by Dr. Philip Podrid and three outstanding is often exactly what I do. I will ask the trainee to present first just young cardiologists from Massachusetts General Hospital-Dr. Rajeev the ECG and with other trainees try to deduce from it what might be Malhotra, Dr. Rahul Kakkar, and Dr. Peter Noseworthy-offen a going on clinically. For example, in an adult with marked left ventricu- splendid opportunity for self-education in electrocardiography (and lar hypertrophy and strain, one of three conditions is almost always a bit of fun at the same time). An esteemed academic cardiologist, present: severe aortic valve disease, hypertrophic cardiomyopathy, or Dr. Podrid has had a career-long interest in electrocardiography. Over hypertensive heart disease. continue• many years he has collected and saved thousands of EC Gs for teaching ix Podrld's Real-World ECGs Conduction Abnormalities: Foreword These books should prove to be valuable for the teaching and work that went into their preparation. Drs. Podrid, Malhotra, Kakkar, learning of electrocardiography at all levels-from nursing and medi- and Noseworthy should be justifiably proud of the final results of their cal students to residents to cardiology fellows to practicing internists Herculean efforts. I am confident that other readers will find these and cardiologists. They should be especially helpful for those seeking books and their electronic supplement as informative and enjoyable board certification or recertification in cardiovascular diseases, where as I did. knowledge of electrocardiography still is given a very high priority. Roman W. D~SanctU, MD There is one further important dividend for those who utilize this Physician and Director of Clinical Cardiology, Emeritus series. In addition to the six workbooks, hundreds of other ECGs han- Massachusetts General Hospital dled in a similar format are available online. From clinical diagnoses James and Evelyn J~nks and Paul Dudl~y White Professor of M~dicine to interactive questions to patient management, realworldECGs.com Harvard Medical School offers ECG-centric clinical cases for the viewer to further master the art of ECG interpretation. Anyone who reads these books and views the auxiliary electronic material cannot help but be impressed by the prodigious amount of X