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- BookFred Kusumoto.Summary: The second edition of this book provides an overview of electrocardiography from a pathophysiological basis. Refreshed with color illustrations, it incorporates new anatomic and electrophysiologic information as well as updated material on clinical applications of the electrocardiogram (ECG). Intended as a reference for students with a basic understanding of the ECG, the book's focus is to provide the fundamental anatomic and electrophysiologic processes that lead to ECG changes rather than simple pattern recognition. Each chapter has key points and questions with comprehensive explanations so that the reader can assess their understanding of the contents. It can be utilized as a guide - chapter by chapter - or read cover to cover for a complete overview. Case studies are included at the end of the book that integrate the multiple principles of electrocardiography. The Second Edition of ECG Interpretation: From Pathophysiology to Clinical Application is an essential text for medical students, residents, fellows, physicians, and nurses in cardiology and clinical cardiac electrophysiology.
Contents:
Part I. Fundamentals
Chapter 1. Electrophysiology/Anatomic Principles
Chapter 2. ECG Physics
Chapter 3. Normal ECG
Part II. Abnormal Depolarization and Repolarization
Chapter 4. Hypertrophy
Chapter 5. Bundle Branch Blocks, Fascicular Blocks
Chapter 6. TU Waves
Chapter 7. ST Segment Changes: Myocardial Infarction
Chapter 8. ST Segment Changes: Other
Part III. Arrhythmias
Chapter 9. Premature Beats
Chapter 10. Bradycardia
Chapter 11. Supraventricular Tachycardia
Chapter 12. Wide Complex Tachycardia
Chapter 13. Pacing
Part IV. Putting It All Together
Chapter 14. Interpreting ECGs
Chapter 15. Cases 1: Putting It All Together
Chapter 16. Cases 2: ECG in Clinical Practice
Chapter 17. Cases 3: Electrolytes
Chapter 18. Orphans
Chapter 19. Extra Practice. - ArticleYoung VR, Munro HN.Fed Proc. 1978 Jul;37(9):2291-300.Actin and myosin, the contractile proteins of skeletal muscle, are methylated following peptide bond synthesis, with production of Ntau-methylhistidine (3-methylhistidine, 3-MeHis). During intracellular breakdown of these proteins, the 3-MeHis is released and excreted in the urine. Studies on tissue distribution of 3-MeHis and on its qunatitative excretion following administration to rats and to man show that urinary output of this amino acid provides a reliable index of the rate of myofibrillar protein breakdown in the musculature of intact rats and human subjects. Estimates of the fractional rate of muscle protein breakdown based on 3-MeHis data are consistent with rates computed by other techniques. By this technique, it has been shown that the fractional rate of muscle protein breakdown is not significantly different in the elderly as compared with young adults. However, since muscle mass is less in the elderly, it makes a smaller contribution to whole body protein breakdown with aging in humans. Output of 3-MeHis diminishes in growing rats and obese human subjects with protein or energy restriction, though the initial response of myofibrillar protein breakdown in growing rats to protein and protein-energy restriction differs. Measurement of 3-MeHis excretion has also proved useful in exploring the effects of physical and thermal trauma on the rate of muscle useful in exploring the effects of physical and thermal trauma on the rate of muscle protein breakdown.