GARFIELD-AF Risk Calculator

Compare the effects of different anticoagulant treatment decisions in atrial fibrillation

The global unit selector only affects unanswered questions
1.Age (years)?
2.Weight (kg)?
3.Pulse (bpm)?
4.Diastolic blood pressure (mmHg)?
7.History of bleeding?
8.History of heart failure or left ventricular ejection fraction (LVEF) < 40% ?
9.History of stroke?
10.Moderate to severe chronic kidney disease (CKD class III-V)?
11.History of coronary artery disease or peripheral vascular disease?
12.Diabetes (type 1/2)?
13.Current smoker?
15.Current use of anti-platelet (AP) drugs (e.g. aspirin, clopidogrel)?
16.Carotid occlusive disease?
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1. Age (years)?

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0/16 completed

About this Calculator

The GARFIELD-AF risk calculator was designed to help clinicians assess the future risk of mortality, ischaemic stroke and major bleeding (including haemorrhagic stroke), as a guide to using anticoagulants in patients with a new diagnosis of atrial fibrillation (AF).

It simultaneously provides the risks for up to 24 months of:

  • Mortality
  • Ischaemic Stroke or Systemic Embolism
  • Major Bleeding Incl. Haemorrhagic Stroke

It allows clinicians to compare the effects of different anticoagulant treatment decisions – no oral anticoagulation (no OAC), vitamin K antagonist (VKA), non-vitamin K oral anticoagulant (NOAC) – based on the results from similar patients in the GARFIELD-AF Registry.

It uses routinely collected clinical data and includes a total of 16 questions.

It has been derived from the GARFIELD-AF population and externally validated.

You can find a version of the GARFIELD-AF risk calculator with further features at this link:


Fox KAA, Lucas JE, Pieper KS, Bassand J-P, Camm AJ, Fitzmaurice DA, Goldhaber SZ, Goto S, Haas S, Hacke W, Kayani G, Oto A, Mantovani LG, Misselwitz F, Piccini JP, Turpie AGG, Verheugt FWA, Kakkar AK.

Improved risk stratification of patients with atrial fibrillation: an integrated GARFIELD-AF tool for the prediction of mortality, stroke and bleed in patients with and without anticoagulation.

BMJ Open 2017;7.

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