Launched on 6th of October 2026

Cardio.toolsby Mohamed Ghazy, MD CardiologyAin Shams University, Egypt · Cardiology Consultant, Saudi ArabiaScopus ID: 55257919100
Interventions

Mehran Score — Contrast-induced nephropathy

Predicts contrast-induced nephropathy (≥ 25% or ≥ 0.5 mg/dL creatinine rise at 48 h) and need for dialysis after PCI.

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Contrast volume
1 point per 100 mL
eGFR (mL/min/1.73 m²)
Additional criteria
Tap every item that applies
Total score
0
Low risk
CIN 7.5% · dialysis 0.04%
Decision guide
Standard hydration; minimise contrast; hold nephrotoxins.
2 sections are still unanswered — counted as 0 points.
Ranges: 0–5 Low risk6–10 Moderate risk11–15 High risk≥16 Very high risk
References
  1. Mehran R, et al. A simple risk score for prediction of contrast-induced nephropathy after PCI. J Am Coll Cardiol 2004;44:1393-1399.
  2. Neumann FJ, et al. 2018 ESC/EACTS Guidelines on myocardial revascularization. Eur Heart J 2019;40:87-165.
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