Overview

The basic mechanism underlying directional differences in excitability, con- duction velocity, andsafetyfactor thatleadtocircusmovementreentry incardiac muscle is generally attributed to a spatial difference in the refractory period as originally described by Mines [1] or to a depressed segment as described by Schmitt and Erlanger [2]. A departure from this depolarization in cardiac muscle involve quantities, such as Vmax' that are not directly descriptive of the underlying mechanisms of propagation.

Full Product Details

Author:   S. Sideman ,  Rafael Beyar
Publisher:   Springer
Imprint:   Springer
Edition:   Softcover reprint of the original 1st ed. 1987
Volume:   70
Dimensions:   Width: 15.50cm , Height: 3.80cm , Length: 23.50cm
Weight:   1.157kg
ISBN:  

9789401079877

ISBN 10:   9401079870
Pages:   725
Publication Date:   12 October 2011
Audience:   Professional and scholarly ,  Professional & Vocational
Format:   Paperback
Publisher's Status:   Active
Availability:   Manufactured on demand  
We will order this item for you from a manufactured on demand supplier.

Table of Contents

Electrical activation and propagation.- 1. Use of computer simulations for combined experimental-theoretical study of anisotropic discontinuous propagation at a microscopic level in cardiac muscle.- 2. The role of the interstitial space in electrical models of cardiac sources.- 3. Parasympathetic control of the SA node cell in rabbit heart – a model.- 4. Effects of the discrete cellular structure on electrical propagation in cardiac tissue.- 5. Electrical field model for electric interactions between myocardial cells.- 6. The role of distributed conduction velocities in simulated epicardial activation maps.- 7. Effects of anisotropy on functional reentrant circuits: preliminary results of computer simulation studies.- 8. Interaction of oscillatory currents and steady-state membrane conductance in isolated cardiac myocytes: experimental description and preliminary modeling of syncytial effects.- 9. General discussion.- Electrical and mechanical interactions.- 10. Influence of pacing site on ventricular mechanics.- 11. Effect of alterations of the left ventricular activation sequence on left ventricular performance.- 12. Effect of the thyroid state on ventricular action potential characterictics in the mammalian heart.- 13. Mechano-electric coupling in myocardium and its possible role in ischaemic arrhythmia.- 14. Tetanization of intact hearts: a new strategy for studying the response of the contractile proteins to calcium.- 15. Modulation properties of myocardial contractile proteins.- 16. Insight into excitation-contraction coupling of heart derived from studies of the force-interval relationship.- 17. Model of Ca release mechanism from the sarcoplasmic reticulum: Ca-mediated activation, inactivation and reactivation.- Microstructure and macroscale mechanics.- 18. Athree dimensional constructive law for the passive myocardium based on a microstructural approach.- 19. 3-D simulation of left ventricular contraction combining myocardial mechanics and electrical activation.- 20. The mechanical effects of the pericardium on the left ventricle.- 21. Conversion of fiber stress to global left ventricular pump work.- Micro to macro coronary circulation.- 22. An analysis of a vascular arborization model for the microcirculation.- 23. Delineating coronary hemodynamic mechanisms by computer simulation.- 24. Distensibility of microvasculature and its consequences on coronary arterial and venous flow.- 25. Impedance to coronary flow.- 26. Intramyocardial blood volume – implications for analysis of myocardial mechanical characteristics via in vivo imaging of the heart.- 27. The effect of wall forces on coronary flow.- 28. Experimental validation studies related to clinical applications of cine computed tomography.- Dysfunction of the diseased ventricle: mechanical and metabolic aspects.- 29. Regional ventricular function in myocardial ischemia.- 30. Simulation of the mechanics of an infarcted left ventricle.- 31. Nonischemic dysfunction at the lateral margins of ischemic myocardium.- 32. Assisted circulation as a tool for the stuy of cardiac models and cardiac performance.- 33. Modulation of coronary autoregulatory responses.- 34. Is stunned myocardium energy deficient?.- 35. Concentric left ventricular hypertrophy: a simulation study of mechanics related to transmural oxygen demand and perfusion.- 36. Coronary reserves in myocardial hypertrophy.- Basic phenomena in transport and metabolism.- 37. Making mathematical descriptions of metabolic reaction networks manageable.- 38. Integrated phenomenology of transport, permeation, and metabolicreactions in the heart.- 39. Transport between myocardial capillaries and cardiac lymphatics.- 40. Disturbances in myocardial lipid homeostasis during ischemia and reperfusion.- 41. Heat transfer and temperature profiles during ischemia and infarction in the left ventricular wall.- Clinical implications.- 42. Longterm assessment and management of chronic cardiac failure.- 43. Acute and chronic cardiac failure: the oxygen transport system gone awry.- General discussion.- 44. Interactions: mechanics, metabolism and perfusion.- 45. Relating models to experiments.- Concluding remarks.- Index of subjects.

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