Differentiate causes of non-anion gap metabolic acidosis.
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The Urine Anion Gap (UAG) calculator is an essential diagnostic tool for clinicians evaluating patients presenting with non-anion gap (hyperchloremic) metabolic acidosis. This tool effectively helps differentiate between renal and extrarenal causes of the acidosis. By calculating the balance of key urinary electrolytes—specifically sodium, potassium, and chloride—the UAG provides crucial insights into the kidney's ability to excrete acid. A positive UAG typically indicates impaired renal ammonium excretion, commonly seen in renal tubular acidosis. Conversely, a negative UAG suggests extrarenal bicarbonate loss, as observed in conditions like severe diarrhea. Utilizing the UAG guides further diagnostic investigation and facilitates precise, targeted therapeutic management.
Calculate Anion Gap, evaluate compensation with Winters' formula, and interpret blood gas results.