Heart Health

Atrial fibrillation

Atrial fibrillation? Yes

Routing stepaf-yesNo one has reached this rule yet

Clinical review

All reviewers

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.

77-year-old womanBP 142/86 on medicationLDL 130diabetes, A1c 6.8%atrial fibrillation, diagnosed10-yr PREVENT-ASCVD 13.2%

Their path through atrial fibrillation

  1. Atrial fibrillation?Yes ← this rule
  2. How was it found? (the evidence differs)Clinically diagnosed
  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

Then asks: How was it found? (the evidence differs)

Then asks: CHA2DS2-VASc — untreated stroke risk above ~2% a year?

Then asks: Applies whatever the score

Review this rule

For practising clinicians. Endorse it, propose a change, or dispute it. We verify every reviewer before a review is shown, and a review stays attached to the version of the rule you saw — if the rule changes, the page says so. You'll be asked to declare any relevant interests; they're shown with your review.

Log in or create an account to submit a review. An account is how we tie a review to a person we can verify.

Runs in lib/engine/afPathway.ts as af-yes.