Detect mixed acid-base disorders. Updated 2026-08.
Detect mixed acid-base disorders
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For education and screening only — not a substitute for professional medical assessment. Results should be interpreted by your healthcare provider.
The bicarbonate fall is fully explained by the anion gap rise — a single disorder. Classic examples: DKA, lactic acidosis, uremic acidosis.
The gap is high but bicarbonate is higher than expected — another alkalosis (vomiting, diuretics) is raising HCO3 at the same time. Common in DKA patients who are vomiting.
Bicarbonate fell more than the gap explains — a normal-gap (hyperchloremic) acidosis is also present. Classic: diarrhea + lactic acidosis, or recovery-phase DKA.
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This content is a general reference, not medical advice, a diagnosis, or a treatment plan. Do not change your diet, fluids, medicines, or dialysis plan without your nephrologist or renal dietitian. Individual recommendations depend on your labs, medications, conditions, and care plan.