High risk (annual risk of CVA = 8-12%)
High risk (annual risk of CVA = 8-12 %)
- High risk is defined as either
- previous ischaemic stroke/TIA or thromboembolic event, or,
- age >=75 with hypertension, diabetes or vascular disease (coronary artery disease or peripheral vascular disease), or,
- clinical evidence of valve disease, heart failure, or impaired LV function on echocardiography
- if High risk then
- anticoagulation with warfarin (INR target 2.5 (range 2.0-3.0) if no contraindications
- if contraindications to warfarin then aspirin 75mg to 300mg per day if no contraindications
Reference:
- The Practitioner 1999; 243:746-51.
- NICE (June 2006). Atrial Fibrillation
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