CHA2DS2-VASc

Original article by Danielle Ormandy | Last updated on 16/4/2016
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CHADSASc score for assessing the risk of stroke in AF
  • Congestive heart failure (1 point)
  • Hypertension (1 point)
  • Age >75 years (2 point)
  • Diabetes Mellitus (1 point)
  • Prior Stroke or TIA (2 points)
  • Vascular disease (e.g. PVD, MI) (1 point)
  • Age 64-75 years (1 point)
  • Sex (female) (1 point)
  • Anticoagulation based on the CHADS2 score:
Score
Risk

Anticoagulation therapy

Considerations
0 (male) 
1 (female)
Low

 None

No anticoagulation therapy
1 (male)
Moderate

Oral anticoagulation should be considered

Warfarin (aim INR 2-3) or
Novel oral anticoagulant e.g. dabigatran, rivaoxaban)
≥2
Moderate or High

Oral anticoagulation recommended

Warfarin (aim INR 2-3) or
Novel oral anticoagulant e.g. dabigatranrivaoxaban)