Anticoagulation


CHA2DS2-VASc Score
  Condition Points
C Congestive heart failure (or Left ventricular systolic dysfunction) 1
H Hypertension: blood pressure consistently above 140/90 mmHg (or treated hypertension on medication) 1
A2 Age ≥75 years 2
D Diabetes Mellitus 1
S2 Prior Stroke or TIA or 
thromboembolism
2
V Vascular disease (e.g. peripheral artery disease, myocardial infarction, aortic plaque) 1
A Age 65 - 74 years 1
Sc Sex category (i.e. female gender) 1

 
Score Risk

Anticoag Tx

Consideration

0 low No antithrombotic therapy (or Aspirin) No therapy if < 60yr & no structural heart dz  -OR-  Aspirin 81 - 325 mg daily
1 Mod Oral anticoagulant
(or Aspirin)
Oral anticoagulant: Either new oral anticoagulant drug e.g. dabigatran or well controlled warfarin at INR 2.0-3.0
-OR-
Aspirin 81 - 325 mg daily, depending on factors such as patient preference
>2 High Oral anticoagulant Oral anticoagulant, using either a new oral anticoagulant drug (e.g. [Xarelto 20mg po qd] or [Pradaxa 150 mg po bid]) or well controlled warfarin at  INR 2.0-3.0