Heart's Vortex

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Release : 2009-11
Genre : Blood flow
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Book Rating : 332/5 ( reviews)

Heart's Vortex - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Heart's Vortex write by Ares Pasipoularides. This book was released on 2009-11. Heart's Vortex available in PDF, EPUB and Kindle. This outstanding resource provides a comprehensive guide to intracardiac blood flow phenomena and cardiac hemodynamics, including the developmental history, theoretical frameworks, computational fluid dynamics, and practical applications for clinical cardiology, cardiac imaging and embryology. It is not a mere compilation of the most up-to-date scientific data and relevant concepts. Rather, it is an integrated educational means to developing pluridisciplinary background, knowledge, and understanding. Such understanding allows an appreciation of the crucial, albeit heretofore generally unappreciated, importance of intracardiac blood flow phenomena in a host of multifaceted functional and morphogenetic cardiac adaptations. The book includes over 400 figures, which were prepared by the author and form a vital part of the pedagogy. It is organized in three parts. Part I, Fundamentals of Intracardiac Flows and Their Measurement, provides comprehensive background from many disciplines that are necessary for a deep and broad understanding and appreciation of intracardiac blood flow phenomena. Such indispensable background spans several chapters and covers necessary mathematics, a brief history of the evolution of ideas and methodological approaches that are relevant to cardiac fluid dynamics and imaging, a qualitative introduction to fluid dynamic stability theory, chapters on physics and fluid dynamics of unsteady blood flows and an intuitive introduction to various kinds of relevant vortical fluid motions. Part II, Visualization of Intracardiac Blood Flows: Methodologies, Frameworks and Insights, is devoted to pluridisciplinary approaches to the visualization of intracardiac blood flows. It encompasses chapters on 3-D real-time and "live 3-D" echocardiography and Doppler echocardiography, CT tomographic scanning modalities, including multidetector spiral/helical dataset acquisitions, MRI and cardiac MRA, including phase contrast velocity mapping (PCVM), etc. An entire chapter is devoted to the understanding of post processing exploration techniques and the display of tomographic data, including "slice-and-dice" 3-D techniques and cine-MRI. Part II also encompasses an intuitive introduction to CFD as it pertains to intracardiac blood flow simulations, followed--in separate chapters--by conceptually rich treatments of the computational fluid dynamics of ejection and of diastolic filling. An entire chapter is devoted to fluid dynamic epigenetic factors in cardiogenesis and pre- and postnatal cardiac remodeling, and another to clinical and basic science perspectives, and their implications for emerging research frontiers. Part III contains an Appendix presenting technical aspects of the method of predetermined boundary motion, "PBM," developed at Duke University by the author and his collaborators.

I of the Vortex

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Release : 2002-02-22
Genre : Medical
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Book Rating : 969/5 ( reviews)

I of the Vortex - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook I of the Vortex write by Rodolfo R. Llinas. This book was released on 2002-02-22. I of the Vortex available in PDF, EPUB and Kindle. A highly original theory of how the mind-brain works, based on the author's study of single neuronal cells. In I of the Vortex, Rodolfo Llinas, a founding father of modern brain science, presents an original view of the evolution and nature of mind. According to Llinas, the "mindness state" evolved to allow predictive interactions between mobile creatures and their environment. He illustrates the early evolution of mind through a primitive animal called the "sea squirt." The mobile larval form has a brainlike ganglion that receives sensory information about the surrounding environment. As an adult, the sea squirt attaches itself to a stationary object and then digests most of its own brain. This suggests that the nervous system evolved to allow active movement in animals. To move through the environment safely, a creature must anticipate the outcome of each movement on the basis of incoming sensory data. Thus the capacity to predict is most likely the ultimate brain function. One could even say that Self is the centralization of prediction. At the heart of Llinas's theory is the concept of oscillation. Many neurons possess electrical activity, manifested as oscillating variations in the minute voltages across the cell membrane. On the crests of these oscillations occur larger electrical events that are the basis for neuron-to-neuron communication. Like cicadas chirping in unison, a group of neurons oscillating in phase can resonate with a distant group of neurons. This simultaneity of neuronal activity is the neurobiological root of cognition. Although the internal state that we call the mind is guided by the senses, it is also generated by the oscillations within the brain. Thus, in a certain sense, one could say that reality is not all "out there," but is a kind of virtual reality.

Vortex Formation in the Cardiovascular System

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Release : 2012-02-01
Genre : Medical
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Book Rating : 887/5 ( reviews)

Vortex Formation in the Cardiovascular System - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Vortex Formation in the Cardiovascular System write by Arash Kheradvar. This book was released on 2012-02-01. Vortex Formation in the Cardiovascular System available in PDF, EPUB and Kindle. Vortex Formation in the Cardiovascular System will recapitulate the current knowledge about the vortex formation in the cardiovascular system, from mechanics to cardiology. This can facilitate the interaction between basic scientists and clinicians on the topic of the circulatory system. The book begins with a synopsis of the fundamentals aspects of fluid mechanics to give the reader the essential background to address the proceeding chapters. Then the fundamental elements of vortex dynamics will be discussed, explaining the conditions for their formation and the rules governing their dynamics. The main equations are accompanied by mathematical models. Cardiovascular vortex formation is first analyzed in physiological, healthy conditions in the heart chambers and in the large arterial vessels. The analysis is initially presented with an intuitive appeal grounded on the physical phenomena and a focus on its clinical significance.In the proceeding chapters, the knowledge gained from either clinical or basic science literature will be discussed. The corresponding mathematical elements will finally be presented to ensure the adequate diligence. The proceeding chapters ensue to the analysis of pathological conditions, when the reader may have developed the ability to recognize normal from abnormal vortex formation phenomenon. Pathological vortex formation represents vortices that develop at sites where normally laminar flow should exist, e.g. stenosis and aneurisms. This analysis naturally leads to the interaction of vortices due to the surgical procedures with respect to prediction of changes in vortex formation. The existing techniques, from medical imaging to numerical simulations, to explore vortex flows in the cardiovascular systems will also be described. The presentations are accompanied by the mathematical definitions can that be understandable for reader without the advanced mathematical background, while an interested reader with more advanced knowledge in mathematics can be referred to references for further quantitative analyses. The book pursues the objective to transfer the fundamental vortex formation phenomena with application to the cardiovascular system to the reader. This book will be a valuable support for physicians in the evaluation of vortex influence on diagnosis and therapeutic choices. At the same time, the book will provide the rigorous information for research scientists, either from medicine and mechanics, working on the cardiovascular circulation incurring with the physics of vortex dynamics.

The Heart of the Vortex

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Release : 2005-01-01
Genre :
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Book Rating : 709/5 ( reviews)

The Heart of the Vortex - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook The Heart of the Vortex write by Richard J. Anderson. This book was released on 2005-01-01. The Heart of the Vortex available in PDF, EPUB and Kindle. A practical and profound guide to exploring Sedonas energy vortexes. Written in a relaxed and friendly style, this book contains easy to follow information on locating the vortexes, selecting and charging crystals, unique meditations, preparing yourself for the vortex energy, manifesting in the vortex field and locating an energy vortex in your own home town.

Vortex Visions

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Release : 2019-02-03
Genre : Young Adult Fiction
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Book Rating : 048/5 ( reviews)

Vortex Visions - read free eBook in online reader or directly download on the web page. Select files or add your book in reader. Download and read online ebook Vortex Visions write by Elise Kova. This book was released on 2019-02-03. Vortex Visions available in PDF, EPUB and Kindle. Vi Solaris must learn to master her magic or forfeit her throne. But when a watch links her with a magical traveler and the fate of their dying world, Vi learns there's a greater destiny than even her birthright. Book one in a young adult, epic fantasy series from USA Today Bestselling author Elise Kova, set in her acclaimed Air Awakens world.