Resumen

HABIB, Talat et al. Mastering blood gas interpretation: A practical guide for primary care providers. SAFP [online]. 2025, vol.67, n.1, pp.1-7. ISSN 2078-6204.  https://doi.org/10.4102/safp.v67i1.6058.

Accurate arterial blood gas (ABG) interpretation is essential for primary care providers (PCPs), especially in emergency and inpatient settings where timely, informed decisions can significantly impact patient outcomes. This review guides PCPs from basic to advanced interpretation through a systematic five-step approach for ABG analysis, focussing on oxygenation, pH status, and metabolic and respiratory disorders. Emphasising the recognition of complex acid-base disorders that may coexist even when pH appears normal, it incorporates tools such as delta and osmolar gap calculations to address multiple concurrent metabolic disturbances and clarify the interpretation of mixed acid-base conditions. The article also briefly considers the use of arterial and venous blood samples in clinical practice.

Palabras clave : blood gas interpretation; primary care providers; simple acid-base disorders; mixed acid-base disorders; five-step approach; anion gap; delta gap.

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