Tested on Gulf Medical Boards (DHA, SMLE, MOH & HAAD)
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What is the Hyponatremia Correction Rate (Adrogué-Madias)?
The Hyponatremia Correction Rate (Adrogué-Madias) is an evidence-based clinical decision rule engineered to quantify diagnostic probability, stratify clinical severity, and guide therapeutic decision-making in nephrology practice. Uses the Adrogué-Madias formula to calculate the expected change in serum sodium after administering 1 Liter of a specific IV fluid. This helps clinicians safely titrate hypertonic saline or normal saline to avoid Osmotic Demyelination Syndrome. Clinical scoring tools like Hyponatremia Correction Rate (Adrogué-Madias) are essential in acute and outpatient management, enabling clinicians to objectively differentiate between low-risk candidates suitable for conservative therapy and high-risk patients requiring urgent interventions. Verified against current 2026 clinical standards, this tool is extensively tested on Gulf health authority licensing exams including DHA (Dubai), SMLE (Saudi Arabia), MOH, HAAD/DOH (Abu Dhabi), OMSB (Oman), and QCHP (Qatar).
💡Clinical Pearls & Diagnostic Utility
Crucial for calculating the infusion rate of 3% Hypertonic Saline in severely symptomatic hyponatremic patients (e.g., seizing).
Formula & Calculation Parameters
The mathematical equation and clinical variables required to calculate Hyponatremia Correction Rate (Adrogué-Madias):
Score Interpretation & Clinical Stratification
| Score Range | Clinical Interpretation | Risk Tier |
|---|---|---|
| ≤ 20 | Change per L (mEq/L) | blue |
When to Exercise Caution
Does not account for ongoing sensible and insensible fluid/sodium losses or the effect of concurrent diuretic therapy. Frequent laboratory monitoring is mandatory.
Clinical Review Board
Dr. Muhammad Nouman, MBBS
Capital Medical University | PMDC Reg No: 117744-P
Clinical Audit Status
✓ Verified for 2026 Guidelines
Last updated: 2026-08-07
Peer-Reviewed Medical Literature
- •Adrogué HJ, Madias NE. Hyponatremia. N Engl J Med. 2000;342(21):1581-1589.
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