Loading
Home >>Contact Us >>Medical Links >>Chads 2 Score

Chads 2 Score

The CHADS2 score is a clinical prediction rule for estimating the risk of stroke in patients with non-rheumatic atrial fibrillation (AF)

CONDITION POINTS
C Congestive heart failure YES NO
H Hypertension: blood pressure consistently above 140/90 mmHg (or treated hypertension on medication) YES NO
A Age ≥75 years YES NO
D Diabetes mellitus YES NO
S2 Prior Stroke or TIA YES NO
CHADS2 Score =
(0)LOW RISK, (1)MODERATE RISK, (≥2) HIGH RISK, See Notes Below


STROKE ASSESSMENT FOR ANNUAL STROKE RISK

CHADS2 Score Stroke Risk % 95% CI
0
1.9
 1.2–3.0
1
2.8
 2.0–3.8
2
4.0
 3.1–5.1
3
5.9
 4.6–7.3
4
8.5
 6.3–11.1
5
12.5
 8.2–17.5
6
18.2
10.5–27.4


ANTICOAGULATION

Score Risk Anticoagulation Therapy Considerations
0 Low None or Aspirin Aspirin daily
1 Moderate Aspirin or Warfarin Aspirin daily or raise INR to 2.0-3.0, depending on patient preference
2 or greater Moderate or High Warfarin Raise INR to 2.0-3.0, unless contraindicated