Electrolyte & Fluid Management in the ICU: The Clinicians Master Reference

The electrolyte reference that classifies before it treats. 19 pages covering the full hyponatremia pathway (osmolality, volume status, urine osmolality, urine sodium), safe correction with the Adrogue-Madias formula, the ODS rate ceilings including the 8 mEq/L per 24h high-risk ceiling, and the overcorrection rescue with D5W and desmopressin. Plus hypernatremia and the free water deficit, the ordered three-layer hyperkalemia protocol with onset and duration for every agent, magnesium as the cause of refractory hypokalemia, phosphate with the ASPEN 2020 refeeding syndrome grading, corrected versus ionised calcium and why the Payne correction misleads in critical illness, and balanced crystalloid versus saline with the SMART trial numbers. Six fully worked clinical cases run the arithmetic end to end. Includes a live-formula Excel workbook with 24 formula cells: type your sodium, glucose, weight and infusate and get TBW, glucose-corrected sodium, the Adrogue-Madias change per litre, the free water deficit, both 24-hour ceilings, and an automatic correction-rate check that flags when you are going too fast. Eight sources, each cited with its DOI and PubMed identifier so you can verify every number yourself. Educational reference for licensed clinicians — not medical advice.

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