Renal Emergency Medicine Moderate — standard tool for RTA vs GI bicarbonate loss differentiation
Urine Anion Gap
Calculates the urine anion gap (UAG = urine Na⁺ + K⁺ − Cl⁻) to differentiate renal from non-renal causes of normal anion gap (hyperchloraemic) metabolic acidosis.
References
- Batlle DC, et al. The use of the urinary anion gap in the diagnosis of hyperchloremic metabolic acidosis. N Engl J Med. 1988;318(10):594–599.
Related
Curated clinical cross-links plus same-class fallbacks.
Calculators
Drugs
- Sodium Bicarbonate · Alkali Therapy (Metabolic Acidosis / CKD-Related Acidosis)
- Noradrenaline (Norepinephrine) · Vasopressor (Alpha-1 and Beta-1 Agonist)
- Tranexamic Acid (ICU/Trauma/Surgical) · Antifibrinolytic
- Trimetazidine · Metabolic Anti-Anginal
- Acipimox · Lipid-modifying agent (Nicotinic acid derivative)
- Colesevelam hydrochloride · Bile acid sequestrant
Pathways
- Hyperkalaemia Management · UK Kidney Association Guidelines 2020; NICE CKD Guidelines
- Acute Kidney Injury (AKI) · KDIGO 2012 / NICE AKI 2019
- CKD Management · NICE CKD 2021 / KDIGO 2024
- Nephrotic Syndrome · KDIGO 2021
- RRT Initiation · KDIGO 2012 / NICE
- New-Onset Atrial Fibrillation · ESC 2020 AF Guidelines; NICE NG196
Decision support only — verify against MDCalc, NICE, or your local guideline before clinical use.