OhMyCalc

CHADS₂ Score Calculator

Calculate the CHADS₂ score to estimate stroke risk in patients with non-valvular atrial fibrillation.

How to Use

  1. Select Yes or No for each clinical criterion.
  2. Click Calculate to see the CHADS₂ score and stroke risk.
  3. Review the anticoagulation recommendation.

Cas d'utilisation

Formule

CHADS₂: Congestive heart failure (1) + Hypertension (1) + Age ≥75 (1) + Diabetes (1) + Stroke/TIA history (2). Maximum score: 6.

Questions fréquemment posées

What does CHADS₂ stand for?
C=Congestive heart failure, H=Hypertension, A=Age ≥75, D=Diabetes mellitus, S₂=prior Stroke or TIA (worth 2 points).
When is anticoagulation recommended?
Score 0: aspirin or no therapy. Score 1: aspirin or anticoagulation. Score ≥2: anticoagulation strongly recommended.
Disclaimer
For educational purposes only. Does not replace professional medical evaluation.