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Rhythm was the first expression of cardiac activity which fell under man's obser vation, and the heart beat has always represented the very essence of life itself as it accelerates or slows during moments of rest, effort, joy and pain until it comes to a halt at the moment of death. Undoubtedly the heart beat was, for a considerable time, the only semiological element by which man could interpret the dysfunctions of the organism. Even after thousands of years, research into the alterations of cardiac rhythm still holds a certain fascination, although modern methods and sophisticated devices have changed the approach to such studies. Only about ten years ago, the in terpretation of arrhythmias was obtained by a standard electrocardiogram to which experimental findings on animals were still arbitrarily applied. On the other hand, the achievement of diagnostic decisions was of little importance outside the sphere of pure intellectual speculation since valid therapeutical treatments were lacking. At present, by means of electrophysiological investigations, one can verify and check 'in situ' the different forms and mechanisms through which rhythm and conduction disorders are manifested. Thus, achieving such a methodology which may be defined as a 'functional biopsy', we are allowed to put forward more accurate therapeutic indications now available using both pharmacological and electrical treatment.
One of the most time-consuming tasks in clinical medicine is seeking the opinions of specialist colleagues. There is a pressure not only to make referrals appropriate but also to summarize the case in the language of the specialist. This book explains basic physiologic and pathophysiologic mechanisms of cardiovascular disease in a straightforward manner, gives guidelines as to when referral is appropriate, and, uniquely, explains what the specialist is likely to do. It is ideal for any hospital doctor, generalist, or even senior medical student who may need a cardiology opinion, or for that ma.
Offers a guide for a complete understanding of the disease and conditions most frequently revealed in ECGs recorded in the acute, critical, and emergency care settings Electrocardiogram in Clinical Medicine offers an authoritative guide to ECG interpretation that contains a focus and perspective from each of the three primary areas of medical care: acute care, critical care and emergency care. It can be used as a companion with the book ECGs for the Emergency Physician I & II (by Mattu and Brady) or as a stand-alone text. These three books can be described as a cumulative EGG reference for the medical provider who uses the electrocardiogram on a regular basis. Electrocardiogram in Clinical Medicine includes sections on all primary areas of ECG interpretation and application as well as sections that highlight use, devices and strategies. The medical content covers acute coronary syndromes and all related issues, other diseases of the myocardium, morphologic syndromes, toxicology and paediatrics; dysrhythmias will also be covered in detail. This important resource: • Goes beyond pattern recognition in ECGs to offer a real understanding of the clinical syndromes evidenced in ECGs and implications for treatment • Covers the indications, advantages and pitfalls of the use of ECGs for diagnosis in all acute care settings, from EMS to ED to Critical Care • Examines the ECG in toxic, metabolic and environmental presentations; critical information for acute care clinicians who need to be able to differentiate ODs, poisoning and other environmental causes from MI or other cardiac events • Facilitates clinical decision-making Written for practicing ER, general medicine, family practice, hospitalist and ICU physicians and medical students, Electrocardiogram in Clinical Medicine is an important book for the accurate interpretation of EGG results.
This book provides a unique contemporary and succinct distillation of the current status of recently delineated electrical diseases of the heart, emphasizing their common and diverse clinical features. The latest developments in the field of experimental and clinical cardiac electrophysiology, genetics, pharmacology and interventional therapies of various clinical arrhythmogenic entities are featured and discussed in terms of recent advances in basic and clinical science. The book is divided into seven major parts. Each part consists of chapters (total of 64) dealing with related topics.
This book provides clinical and electrovectorcardiographic evidence of the existence of left septal fascicular blocks and demonstrates the clinical importance of these blocks in the clinical scenario of acute coronary syndrome. There are currently no standard criteria for detecting conduction defects involving the third left fascicle, the septal or median fascicle, and the very existence of such defects is still a matter of controversy. This book provides acceptable and consistent terminology and definitions for the electrovectorcardiographic diagnosis of a left septal fascicular block. Left Septal Fascicular Block: Characterization, Differential Diagnosis and Clinical Significance is an original and unique book that sheds light on an important topic of discussion in cardiac electrophysiology.
In this concise and practical review, the authors recognize that among the range of cardiac investigations available to veterinarians, the standard electrocardiogram (ECG) is an indispensable, safe and inexpensive test in assessing dogs and cats with heart disease.Following discussion of the principles of electrocardiography, the book systematicall
The 6th edition of the textbook Ellestad's Stress Testing: Principles and Practice was written for the new and veteran clinician alike performing stress testing. Thoroughly updated, referenced and interspersed with case examples, the book reviews how to get the most out exercise testing, without and with ancillary imaging. In addition to evaluation of ST segment depression, other powerful tools to detect ischemia and forecast the future are reviewed to increase the diagnostic accuracy and prognostic ability of exercise testing. The recognition and significance of exercise induced arrhythmias and conduction defects are examined. When to convert to pharmacologic stress or add ancillary imaging, including myocardial perfusion imaging, echocardiography, coronary calcium scoring, and magnetic reference imaging are reviewed. The use of stress testing in the management of obstructive and non-obstructive coronary artery disease (CAD), heart failure, cardiac rehabilitation, peripheral vascular disease, congenital heart and other cardiovascular diseases (CVD) is examined. Options to optimize the diagnostic capabilities of exercise and other diagnostic testing for women are highlighted. Strategic use of exercise testing in the face of a decreasing burden of CAD in the developed world, as well as the opportunity to rely on exercise testing as the first test to evaluate CVD in the developing world, are reviewed. The fundamentals of exercise physiology and myocardial ischemia that serve as the foundation for exercise testing in health and disease are --
Electrocardiography is an essential tool in diagnosing cardiacdisorders. This second edition of the ABC of ClinicalElectrocardiography allows readers to become familiar with the widerange of patterns seen in the electrocardiogram in clinicalpractice and covers the fundamentals of ECG interpretation andanalysis. Fully revised and updated, this edition includes a self-assessmentsection to aid revision and check comprehension, clear anatomicaldiagrams to illustrate key points and a larger format to show12-lead ECGs clearly and without truncation. Edited and written by leading experts, the ABC of ClinicalElectrocardiography is a valuable text for anyone managing patientswith heart disorders, both in general practice and in hospitals.Junior doctors and nurses, especially those working in cardiologyand emergency departments, as well as medical students, will findthis a vaulable introduction to the understanding of this keyclinical tool.