J.P.C. de Weerd Evoked potentials are the electrical voltage fluctuations which can be recorded from parts of the nervous system in response to stimulation of sensory modalities. One may distinguish between evoked potentials from the peripheral and the central nervous system. For the latter type a further subdivision can be made into spinal, brainstem, and cortical evoked potentials, according to the (assumed) structures from which the responses derive. Another possible subdivision can be made with respect to the specific sensory ffiodality which is stimulated. Accordingly, one has auditory, somatosensory, visual, gustatory and olfactory evoked potentials. At the present time, the former three types of evoked potentials are the ones that are commonly measured in diagnostic procedures. Yhe corresponding sensory systems are relatively easy to stimulate, for example by means of an acoustic click, abrief electrical shock or a reversing light pattern. In contrast, stimulation of the olfactory and gustatory systems has proven to be technically and physiologically difficult and research in these areas is still in an early stage.
J.P.C. de Weerd Evoked potentials are the electrical voltage fluctuations which can be recorded from parts of the nervous system in response to stimulation of sensory modalities. One may distinguish between evoked potentials from the peripheral and the central nervous system. For the latter type a further subdivision can be made into spinal, brainstem, and cortical evoked potentials, according to the (assumed) structures from which the responses derive. Another possible subdivision can be made with respect to the specific sensory ffiodality which is stimulated. Accordingly, one has auditory, somatosensory, visual, gustatory and olfactory evoked potentials. At the present time, the former three types of evoked potentials are the ones that are commonly measured in diagnostic procedures. Yhe corresponding sensory systems are relatively easy to stimulate, for example by means of an acoustic click, abrief electrical shock or a reversing light pattern. In contrast, stimulation of the olfactory and gustatory systems has proven to be technically and physiologically difficult and research in these areas is still in an early stage.
Pike's Portage/Death Wins in the Arctic/Arctic Naturalist/Arctic Obsession/Arctic Twilight/Arctic Front/Canoeing North Into the Unknown/Arctic Revolution/In the Shadow of the Pole/Voices From the Odeyak
Pike's Portage/Death Wins in the Arctic/Arctic Naturalist/Arctic Obsession/Arctic Twilight/Arctic Front/Canoeing North Into the Unknown/Arctic Revolution/In the Shadow of the Pole/Voices From the Odeyak
This special bundle is your essential guide to all things concerning Canada’s polar regions, which make up the majority of Canada’s territory but are places most of us will never visit. The Arctic has played a key role in Canada’s history and in the history of the indigenous peoples of this land, and the area will only become more strategically and economically important in the future. This bundle provides an in-depth crash course, including titles on Arctic exploration (Arctic Obsession), Native issues (Arctic Twilight), sovereignty (In the Shadow of the Pole), adventure and survival (Death Wins in the Arctic), and military issues (Arctic Front). Let this collection be your guide to the far reaches of this country. Arctic Front Arctic Naturalist Arctic Obsession Arctic Revolution Arctic Twilight Death Wins in the Arctic In the Shadow of the Pole Pike’s Portage Voices From the Odeyak
Put the world’s most well-known kidney reference to work in your practice with the 11th Edition of Brenner & Rector’s The Kidney. This two-volume masterwork provides expert, well-illustrated information on everything from basic science and pathophysiology to clinical best practices. Addressing current issues such as new therapies for cardiorenal syndrome, the increased importance of supportive or palliative care in advanced chronic kidney disease, increasing live kidney donation in transplants, and emerging discoveries in stem cell and kidney regeneration, this revised edition prepares you for any clinical challenge you may encounter. Extensively updated chapters throughout, providing the latest scientific and clinical information from authorities in their respective fields. Lifespan coverage of kidney health and disease from pre-conception through fetal and infant health, childhood, adulthood, and old age. Discussions of today’s hot topics, including the global increase in acute kidney injury, chronic kidney disease of unknown etiology, cardiovascular disease and renal disease, and global initiatives for alternatives in areas with limited facilities for dialysis or transplant. New Key Points that represent either new findings or "pearls" of information that are not widely known or understood. New Clinical Relevance boxes that highlight the information you must know during a patient visit, such as pertinent physiology or pathophysiology. Hundreds of full-color, high-quality photographs as well as carefully chosen figures, algorithms, and tables that illustrate essential concepts, nuances of clinical presentation and technique, and clinical decision making. A new editor who is a world-renowned expert in global health and nephrology care in underserved populations, Dr. Valerie A. Luyckx from University of Zürich. Board review-style questions to help you prepare for certification or recertification.
Mystery girl. On her twelfth birthday, Kahlara Apella ponders the enigma that is her. Why is she the only one in her overprotective family who can read thoughts (not that she spies on her siblings or anything), heal injuries, demolish bad guys (a terrifying experience), and tap into her silver core? The answers elude her. Enough already! Kahlara is determined to change her sheltered life. She pleads for and gains her freedom. Kahlara explores the woods, builds a tree house, swims in a hidden pond, and encounters a young stranger. Shy boy. Shay, a lonely village kid, sings like an angel and plays the lute like a troubadour. Over the summer, Shay befriends this odd girl who can change the color of her eyes. Parents on a mission. Myles and Elara Apella organize a rebellion against the Rzash Empire. Fearful of their family's safety, especially their amazing daughter, they move cautiously through the dark secrets of their cause. Gentle giant. Sebastian is an injured Crad slave. Simple and loving, Seb watches over the Apella children. Elara grows certain there is more to the alien than meets the eye. Kahlara and Shay. Compelled, Kahlara touches Shay transferring her silver abilities. An unseen spy reports them. Soon, tragedy tears them apart. Like a pebble dropped in their beloved pond, the ripples spawn a tsunami of rebellion, intrigue, ecological weapons, alien metamorphosis, silver abilities, and interstellar warfare. Will Kahlara's strange purpose save them? It begins with the Song who would be human.
Overcome the toughest clinical challenges in nephrology with the new 9th edition of Brenner/Rector’s The Kidney! A brand-new editorial team of Drs. Maarten W. Taal, Glenn M. Chertow, Philip A. Marsden, Karl Skorecki, Alan S. L. Yu, and Barry M. Brenner,, together with a diverse list of international contributors bring you the latest knowledge and best practices on every front in nephrology worldwide. Brand-new sections on Global Considerations in Nephrology and Pediatric Nephrology, as well as new chapters on recent clinical trials, cardiovascular and renal risk prediction in chronic kidney disease, identification of genetic causes of kidney disease, and many others, keep you at the forefront of this rapidly growing, ever-changing specialty. Brenner/Rector remains the go-to resource for practicing and training nephrologists and internists who wish to master basic science, pathophysiology, and clinical best practices. Broaden your knowledge base with expert, dependable, comprehensive answers for every stage of your career from the most comprehensive, definitive clinical reference in the field! Prepare for certification or recertification with a review of the basic science that underpins clinical nephrology as well as a comprehensive selection of the most important bibliographical sources in nephrology. Visually grasp and better understand critical information with the aid of over 700 full-color high-quality photographs as well as carefully chosen figures, algorithms, and tables to illustrate essential concepts, nuances of clinical presentation and technique, and decision making. Get internationally diverse, trusted guidance and perspectives from a team of well-respected global contributors, all of whom are at the top and the cutting edge of your field. A new editorial team headed by Dr. Taal and hand-picked by Dr. Brenner ensures the ongoing adherence to previous standards of excellence. Access information quickly thanks to a new, reorganized format and supplemental figures, tables, additional references, and expanded discussions. Keep current with the rapid development of care and research worldwide. A new section, "Global Considerations", focuses on regions outside Europe and North America. Leading experts from Latin America, Africa, Near and Middle East, Indian Subcontinent, Far East, Oceania and Australia present their expert insights into specific conditions, as well as progress and challenges in the development of the specialty. Improve therapy and outcomes for children with renal disease. New to this edition, "Pediatric Nephrology" addresses renal pathologies that usually present in childhood and covers topics such as Maturation of Kidney Structure and Function; Fluid; Electrolyte and Acid-Base Disorders in Children; Diseases of the Kidney and Urinary Tract in Children; Dialysis in Children; and Kidney Transplantation in Children. Stay up to date with all the latest clinical information including recent clinical trials, genetic causes of kidney disease, and cardiovascular and renal risk prediction in chronic kidney disease.
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