A stepwise approach to acid-base disorders: Practical patient evaluation for metabolic acidosis and other conditions

Pamela J. Fall

Research output: Contribution to journalArticle

28 Scopus citations

Abstract

Acid-base disorders can usually be approached by following the steps outlined in the text and doing the calculations shown in the box on page 257. Clues about the underlying disorder can be obtained from history taking and physical examination. Assessment of pH, PaCO2, and HCO3- allows determination of whether a primary metabolic or respiratory disorder is present. Calculation of the predicted compensatory response for simple acid- base disorders might suggest the presence of an additional disease process if compensation is not appropriate. Calculation of the various gaps can be helpful in differential diagnosis (ie, anion gap for diagnosis of metabolic acidosis, delta anion gap for diagnosis of high-anion-gap metabolic acidosis, and urine anion gap for diagnosis of a non-anion gap metabolic acidosis). Most acid-base problems can be solved with use of the stepwise approach described.

Original languageEnglish (US)
Pages (from-to)249-263
Number of pages15
JournalPostgraduate medicine
Volume107
Issue number3
DOIs
StatePublished - Mar 2000

ASJC Scopus subject areas

  • Medicine(all)

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