Anticoagulation for Atrial Fibrillation - Flowchart
Anticoagulation for Atrial Fibrillation - Flowchart Anticoagulation for Atrial Fibrillation Anticoagulation for Atrial Fibrillation
«Flowchart»

Atrial fibrillation

Atrial fibrillation

Atrial fibrillation

Oral anticoagulation

NNT 167
(Aspirin 100–250 mg)

Oral anticoagulation

NNT 167
(Aspirin 100–250 mg)

Oral anticoagulation

Oral anticoagulation

NNT 167
(Aspirin 100–250 mg)


Oral anticoagulation

NNT <15

NNT <85

Oral anticoagulation

NNT <15

NNT <85

Oral anticoagulation

Oral anticoagulation

NNT <15

<

NNT <85

<

No medication

NNT >500
(Aspirin 100-250 mg)

No medication

NNT >500
(Aspirin 100-250 mg)

No medication

No medication

NNT >500
(Aspirin 100-250 mg)


End

End

End

Risk of stroke?

Risk of stroke?

Risk of stroke?

Very high risk

≥10%/year

Stroke or TIA
Arterial embolism
Mitral stenosis
Artificial valve

Very high risk

Very high risk

≥10%/year

≥

Stroke or TIA
Arterial embolism
Mitral stenosis
Artificial valve




Very high risk

High risk

≥2–4%/year

CHA2DS2 – VASc≥2

High risk

High risk

≥2–4%/year

≥

CHA2DS2 – VASc≥2

2 2 High risk

Intermediate risk

≥1–2%/year

CHA2DS2 – VASc = 1

Intermediate risk

Intermediate risk

≥1–2%/year

≥

CHA2DS2 – VASc = 1

2 2 Intermediate risk

Low risk

<1%/year

CHA2DS2 – VASc = 0

Low risk

Low risk

<1%/year

<

CHA2DS2 – VASc = 0

2 2 Low risk