RISK CALCULATORS: CHADS2

CHADS2 is a validated stroke risk index for patients with atrial fibrillation (AF).

Select the risk factors that apply to your patient to calculate the CHADS2 results and adjusted stroke rate (%/year).

Congestive heart failure history
+1 point
Hypertension history
+1 point
Age ≥75
+1 point
Diabetes mellitus history
+1 point
Stroke history or TIA
+2 points
Risk assessment

Risk assessment

Here you can find validated, interactive tools to help you calculate stroke and bleeding risk of your patients

About the Coagulation Center

The Coagulation Center is an educational resource for healthcare professionals. Guided by a global editorial board of experts, the Coagulation Center offers a range of clinical perspectives on balancing the benefit and risk of anticoagulation in a rapidly changing landscape. Within the Coagulation Center you will find roundtable discussions on anticoagulation management, materials for patient management including patient case studies, tools to help evaluate bleeding risk and stroke risk, and downloadable resources for your practice.