Cardiology Question 14 Instructor

What is the CHADS2 score for assessing the risk for stroke among patients with atrial fibrillation?

CHADS2 Score:

Risk factor Points
Congestive Heart Failure 1
Hypertension 1
Age>75 1
Diabetes 1
Stroke/TIA (prior) 2
CHADS2 Score Stroke Risk (%/Yr) Anticoagulation Recommendation
0-1 1.9-2.8 (low) Aspirin 81-325mg
2-3 4.0-5.9 (mod) Coumadin (INR 2-3)
4-6 8.5-18.2 (high) Coumadin (INR 2-3)

CHADS2 risk prediction for non-valvular A-Fib

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