Atrial fibrillation

1. Step 1 · Cardiology

   CHA₂DS₂-VASc Score for Atrial Fibrillation Stroke Risk

   Stroke risk to decide on oral anticoagulation.

   Population

   Non-valvular AF

   Key limitation

   Modest discrimination.

   Inputs

   7

   Open tool

2. Step 2 · Cardiology

   HAS-BLED Bleeding Risk Score

   Bleeding risk to identify and correct modifiable factors.

   Population

   Anticoagulated AF

   Key limitation

   Not a reason to withhold anticoagulation.

   Inputs

   9

   Open tool

The Navigator organises validated tools around a presentation. It does not recommend a diagnosis or treatment.