Atrial fibrillation, clinically diagnosed

No clinician has signed off this rule yet. It reflects our reading of the guidelines cited below, which has not been independently checked.

What someone who reaches this rule is told

This is a routing step: it says nothing itself, and decides which rule applies next. For the example person, that is Stroke risk high enough to anticoagulate, Aspirin is not a substitute for anticoagulation, Early rhythm control and Treating what drives atrial fibrillation.

An example person who reaches it

“Atrial fibrillation, blood thinner not yet discussed” — an illustrative profile, not a real user.

Their path through atrial fibrillation

1. Atrial fibrillation?Yes
2. How was it found? (the evidence differs)Clinically diagnosed ← this rule
3. CHA2DS2-VASc — untreated stroke risk above ~2% a year?Yes (score >=2 men / >=3 women)
4. Applies whatever the scoreAlways
5. Applies whatever the scoreAlways
6. Applies whatever the scoreAlways

Where it sits

Asked after: Atrial fibrillation