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CHADS2 Score for Atrial Fibrillation Stroke Risk

Estimates stroke risk in patients with atrial fibrillation.

Congestive Heart Failure History

+1

Hypertension History

+1

Age ≥ 75

+1

Diabetes Mellitus History

+1

Stroke or TIA Symptoms Previously

+2

References

  • Gage BF, van Walraven C, Pearce L, Hart RG, Koudstaal PJ, Boode BS, Petersen P. Selecting patients with atrial fibrillation for anticoagulation: stroke risk stratification in patients taking aspirin. Circulation. 2004 Oct 19;110(16):2287-92. Epub 2004 Oct 11
  • Gage BF, Waterman AD, Shannon W, Boechler M, Rich MW, Radford MJ. Validation of clinical classification schemes for predicting stroke: results from the National Registry of Atrial Fibrillation. JAMA. 2001 Jun 13;285(22):2864-70.
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