Diagnostic finding

Elevated Base Excess

A positive deviation of base excess (> +2 mmol/L) on arterial blood gas, indicating increased buffer base concentration.

Causes

  • Primary metabolic alkalosis

    • Gastrointestinal acid loss

    • Antacid use

    • Diuretic therapy

    • Sodium bicarbonate (NaHCO₃) therapy

  • Compensation for respiratory acidosis

  • Renal acid loss

    • Cushing's syndrome

    • Hyperaldosteronism

Also known as: Metabolic Alkalosis (when due to primary metabolic process), Positive Base Excess

Referencing diagnoses

Note: Lists existing diagnoses in Diagnotize only.