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CHADSâ‚‚ Score

Calculate the stroke risk for patients with non-valvular Atrial Fibrillation (AF) to determine the necessity of antithrombotic therapy.

Clinical Criteria

CANVATOOLS

Cardiology / Neurology

AF Stroke Risk Assessment

Jul 29, 2026, 08:31 PM

ID: CHA-265299

Patient Name

Jane Doe

Total CHADSâ‚‚ Score

0

Low Risk

Adjusted Stroke Rate

1.9% / year

Clinical Recommendation

Aspirin (81-325 mg/day) or No Therapy

Score Composition

CHFNO
HypertensionNO
Age ≥ 75NO
DiabetesNO
Stroke / TIANO

Note: The CHA2DS2-VASc score is frequently used as an updated alternative for more granular low-risk stratification.

*** End of Report ***

Clinical Precision & Methodology

The CHADSâ‚‚ score is a widely used clinical prediction rule for estimating the risk of stroke in patients with non-rheumatic atrial fibrillation (AF). It directs the administration of anticoagulant therapy.

Standardized Risk Stratification

The index accurately stratifies AF patients into low, moderate, and high risk categories based on prospective cohort data, providing a percentage stroke rate per 100 patient-years.

Guideline Concordance

Aligns with ACC/AHA/ESC guidelines for stroke prevention, highlighting critical antithrombotic intervention thresholds (Score ≥ 2 generally necessitates oral anticoagulation).

Thermal Receipt Export

Generates a high-resolution, perfectly scaled PNG image designed specifically for 80mm thermal printers, enabling instant clinical handouts.

Acronym Breakdown

CCongestive Heart Failure (+1)
HHypertension (+1)
AAge ≥ 75 Years (+1)
DDiabetes Mellitus (+1)
S2Prior Stroke/TIA (+2)