Physiology and Pathophysiology of Potassium Homeostasis: Core Curriculum 2019

Biff F Palmer, Deborah J Clegg
American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation 2019 June 18
Total-body potassium (K+ ) content and appropriate distribution of K+ across the cell membrane is vitally important for normal cellular function. Total-body K+ content is determined by changes in excretion of K+ by the kidneys in response to intake levels. Under normal conditions, insulin and β-adrenergic tone also make important contributions in maintaining internal distribution of K+ . However, despite these homeostatic pathways, disorders of altered K+ homeostasis are common. Appreciating the pathophysiology and regulatory influences that determine the internal distribution and external balance of K+ is critical in designing effective treatments to restore K+ homeostasis. We provide an up-to-date review of the regulatory aspects of normal K+ physiology as a preface to highlighting common disorders in K+ homeostasis and their treatment. This review of K+ homeostasis is designed as a resource for clinicians and a tool for educators who are teaching trainees to understand the pivotal factors involved in K+ balance.

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Cedrick Bruyere

Je parle que français il ya pas de traductions


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