Dr. Richard Polin's Neonatology Questions and Controversies series highlights the toughest challenges facing physicians and care providers in clinical practice, offering trustworthy guidance on up-to-date diagnostic and treatment options in the field. In each volume, renowned experts address the clinical problems of greatest concern to today's practitioners, helping you handle difficult practice issues and provide optimal, evidence-based care to every patient.The thoroughly updated, full-color, 4th Edition of Renal, Fluid, and Electrolyte Disorders:  Provides a clear management strategy for common and rare neonatal renal, fluid, and electrolyte disorders, offering guidance based on the most up-to-date understanding of underlying pathophysiology.  Places emphasis on controversial areas that can entail different approaches.  Features the most current clinical information throughout, with many chapters written by new authors who offer a fresh perspective on key topics.  Includes numerous new chapters, including assessment of neonatal kidney function, pulmonary hypoplasia in the fetus with oligohydramnios, genetic causes of congenital renal malformations, effect of preterm birth on renal outcomes, dialysis and kidney transplantation, renal tubular acidosis, and more.  Highlights gaps in knowledge that should serve as a strong stimulus for future research.  Utilizes a consistent chapter organization to help you find information quickly and easily, and contains numerous charts, graphs, radiographic images, and photographs throughout.  Offers the most authoritative advice available from world-class neonatologists who share their knowledge of new trends and developments in neonatal care.  An eBook version is included with purchase. The eBook allows you to access all of the text, figures and references, with the ability to search, customize your content, make notes and highlights, and have content read aloud.  Purchase each volume individually, or get the entire 7-volume Neonatology Questions and Controversies set, which includes online access that allows you to search across all titles!  Gastroenterology and Nutrition  Hematology and Transfusion Medicine  Neonatal Hemodynamics  Infectious Disease, Immunology, and Pharmacology  Renal, Fluid, and Electrolyte Disorders  Neurology  The Newborn Lung