RT Book, Section A1 Charney, Alan N. A1 Hoffman, Robert S. A2 Nelson, Lewis S. A2 Howland, Mary Ann A2 Lewin, Neal A. A2 Smith, Silas W. A2 Goldfrank, Lewis R. A2 Hoffman, Robert S. SR Print(0) ID 1163017069 T1 Fluid, Electrolyte, and Acid–Base Principles T2 Goldfrank's Toxicologic Emergencies, 11e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9781259859618 LK accessemergencymedicine.mhmedical.com/content.aspx?aid=1163017069 RD 2024/03/19 AB A meaningful analysis of fluid, electrolyte, and acid–base abnormalities is dependent on the history and physical examination of each patient. Although a rigorous appraisal of laboratory parameters often yields the correct differential diagnosis, the clinical characteristics provide an understanding of the extracellular fluid volume (ECFV) and pathophysiology. Thus, the evaluation always begins with an overall assessment of the patient.