Physician Workspace
Clinical calculators
Body mass index and atrial fibrillation stroke risk. Results update as you enter values.
Measurements
cm
kg
Height
ft
in
lb
Body mass index
–kg/m²
Enter height and weight
Risk factors
Age
Sex
CHADS₂
0of 6
CHA₂DS₂-VASc
0of 9
Recommendation by CHADS₂
Current guideline (CHA₂DS₂-VASc)
Treatment options
A decision aid for clinicians. It does not replace clinical judgment, bleeding-risk assessment, drug-interaction review or shared decision-making. Check current prescribing information before dosing.
Sources: Gage BF et al., JAMA 2001 (CHADS₂ stroke rates); Friberg L et al., Eur Heart J 2012 (CHA₂DS₂-VASc rates without anticoagulation); Fuster V et al., ACC/AHA/ESC 2006 and You JJ et al., ACCP 2012 (CHADS₂-based therapy); Joglar JA et al., 2023 ACC/AHA/ACCP/HRS; Van Gelder IC et al., 2024 ESC. BMI: WHO; WHO Expert Consultation, Lancet 2004.
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