Atrial Fibrillation
Also: AF · AFib · irregular heartbeat
Atrial fibrillation (AF) is the most common sustained heart-rhythm disturbance and a major cause of stroke. Management centres on assessing stroke risk to guide anticoagulation, controlling rate or rhythm, and treating underlying causes.
The tools below bring together the stroke- and bleeding-risk scores, the relevant drugs, and the decision pathways used in AF, in one place.
Calculators & scores
- CHA₂DS₂-VASc ScoreAtrial Fibrillation
- CHADS₂ Score for AF Stroke RiskStroke Risk
- CHA2DS2-VASc Score (AF Stroke Risk)Atrial Fibrillation
- HAS-BLED ScoreBleeding Risk
- CHA₂DS₂-VA Score for AF (2023)Atrial Fibrillation
- CHADS-65 for Atrial FibrillationAtrial Fibrillation
- GARFIELD-AF Risk Score for Atrial FibrillationAtrial Fibrillation
- DOAC Score for Selecting Direct Oral Anticoagulant in Non-Valvular AFAnticoagulation
- ORBIT Bleeding Risk Score for Anticoagulation in AF PatientsAnticoagulation
- CHADS-65 Score for Atrial FibrillationAtrial Fibrillation
- ATRIA Bleeding Risk ScoreAnticoagulation
- ABC-Bleeding Score for Anticoagulated Atrial FibrillationBleeding Risk
- ORBIT Bleeding Risk Score for AFAtrial Fibrillation
- HEMORR₂HAGES Bleeding Risk ScorePrognosis
Decision pathways
- New-Onset Atrial FibrillationESC 2020 AF Guidelines; NICE NG196
- Chronic Atrial Fibrillation ManagementNICE NG196; ESC 2024 AF Guidelines
- STEMI & ReperfusionESC 2023 ACS Guidelines; NICE NG185
- Wolff-Parkinson-White SyndromeESC 2019 SVT; AHA 2015
- Pre-op Medical ClearanceNICE NG45; ESC 2022
- Deep Vein Thrombosis Diagnosis and TreatmentNICE CG144 / NICE NG158
- Anticoagulation ReversalBSH 2016 / ESC
- Disseminated Intravascular Coagulation (DIC)BSH 2009; ISTH
Drugs
- Amiodarone (IV — ICU/Peri-Arrest)Antiarrhythmic (Class III)
- BisoprololAntihypertensive
- DigoxinAntiarrhythmic
- WarfarinAnticoagulant
- ApixabanAnticoagulant
- VerapamilNon-Dihydropyridine Calcium Channel Blocker
- DiltiazemNon-Dihydropyridine Calcium Channel Blocker
- FlecainideClass IC Antiarrhythmic
- Digoxin-specific Antibody Fragments (DigiFab)Antidote
- AmiodaroneAntiarrhythmic
- SotalolAntiarrhythmic
- Dabigatran (AF / VTE)Direct Oral Anticoagulant / AF
Patient explainers
Decision support only. These tools are aggregated by topic to aid navigation — always apply clinical judgement and the relevant national or local guideline.