John R. Claybaugh, Charles E. Wade

Hormonal Regulation of Fluid and Electrolytes (eBook, PDF)

Environmental Effects

• Format: PDF

Produktbeschreibung

The concept of this book has developed over the past fi fteen years as interest in the water and electrolyte disturbances associated with most environmental settings moved from a research area of descriptive discovery to one dealing with the mechanisms responsible for the previously observed disturbances. Most of the contributing authors have been involved in both aspects of this evolution of research, focusing on those problems associated with body fluid and electrolyte balance and searching for hormonal explanations. What did not accompany this transition, however, was a source of information encompassing the area of interest. Instead, the previous format of environmentally focused symposia, reviews, and books continued to be the only sources available. For instance, various books deal with the physiology of high altitude, space, or exercise but do not necessarily provide adequate coverage of water and electrolyte disturbances. To our knowledge, the format of this book is unique. We have made the central focus water and electrolyte physiology with an emphasis on endocrinology and tried to comprehensively cover this area of physiology in some of the more heavily studied environments. This book too, then, will have its limitations in coverage. For instance, in-depth coverage of the respiratory and cardiovascular responses to the high altitude en vironment will not be found, but since these areas are so integrally associated with water and electrolyte regulation they are not ignored.

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Produktdetails

• Verlag: Springer US
• Seitenzahl: 242
• Erscheinungstermin: 6. Dezember 2012
• Englisch
• ISBN-13: 9781461305859
• Artikelnr.: 44182041

Inhaltsangabe

1 Fluid and Electrolyte Homeostasis During and Following Exercise: Hormonal and Non-Hormonal Factors.- Non-Hormonal Effects of Exercise.- Hormonal Effects of Exercise.- Conclusion.- References.- 2 Hormonal Regulation of Fluid and Electrolytes: Effects of Heat Exposure and Exercise in the Heat.- Sedentary Heat Exposure.- Exercise in the Heat.- Hypohydration.- Electrolytes.- Heat Acclimation.- Plasma Volume.- Future Studies.- Conclusion.- References.- 3 Effect of Exposure to Cold on Fluid and Electrolyte Exchange.- Effects of Exposure to Cold on Water Intake.- Effects of Cold on Urine Production: Role of Antidiuretic Hormone.- Mechanism of Thermogenic Drinking.- Effect of a Ten-Day Cold Exposure on Electrolyte Exchange.- Fluid Exchange During Four Weeks of Exposure to Cold.- Water Balance in Man Exposed to Cold.- Comments.- References.- 4 Hormonal and Renal Responses to Hyperbaria.- Urinary Responses to Hyperbaric Exposure.- Body Fluid Balance During Hyperbaric Exposure.- Endocrine Responses.- Characteristics of Hyperbaric Nocturia.- Hydrostatic Pressure Effect on Active Na Transport.- Summary.- References.- 5 Head-Out Water Immersion: A Critical Evaluation of the Gauer-Henry Hypothesis.- Cardiovascular Receptors.- Cardiovascular Effects of WI.- Renal Responses to WI.- Hormonal Responses to WI.- Role of the Renal Sympathetic Nerves.- Influence of Circadian Rhythms.- Effects of Water Temperature.- Conclusions.- Acknowledgements.- References.- 6 Fluid and Electrolyte Balance and Hormonal Response to the Hypoxic Environment.- Effects of Hypoxia on Water and Electrolyte Balance.- Mechanisms of Hypoxia-Induced Hypohydration.- Mechanisms of Salt Imbalances.- Hormones and Altitude Sicknesses.- Summary.- References.- 7 Hormonal Regulation of Fluid and Electrolytes During Prolonged Bed Rest: Implications for Microgravity.- Bed Rest.- Fluid Shifts in Microgravity.- Summary and Conclusions.- References.