Skip to main content

Menu

I have a symptom

I know the diagnosis

Orthopedic Injuries

Fractures & dislocations

Clinical calculators

Billing code lookup

Interpretation guide

Bedside ultrasound

Step-by-step guides

ACLS / PALS / NRP

Articles & updates

In-depth clinical reviews

I have a symptom

I know the diagnosis

Orthopedic Injuries

Fractures & dislocations

Clinical calculators

Billing code lookup

Interpretation guide

Bedside ultrasound

Step-by-step guides

ACLS / PALS / NRP

Articles & updates

In-depth clinical reviews

Menu

I have a symptom

I know the diagnosis

Orthopedic Injuries

Fractures & dislocations

Clinical calculators

Billing code lookup

Interpretation guide

Bedside ultrasound

Step-by-step guides

ACLS / PALS / NRP

Articles & updates

In-depth clinical reviews

Loading...

CalculatorsCHADS₂ Score for Atrial Fibrillation Stroke Risk

CardiologyScore

CHADS₂ Score for Atrial Fibrillation Stroke Risk

The original CHADS₂ score estimates stroke risk in patients with non-valvular atrial fibrillation to guide anticoagulation therapy. Precedes CHA₂DS₂-VASc and remains widely cited in older guidelines.

Parameters

Congestive Heart Failure

No+0Yes+1

Hypertension

No+0Yes+1

Age ≥ 75 Years

No (Age < 75)+0Yes (Age ≥ 75)+1

Diabetes Mellitus

No+0Yes+1

Prior Stroke or TIA

No+0Yes (counts ×2)+2

Awaiting input

Fill in the parameters to see your result