Cardiologists have doubts about this common stroke risk calculator

THE internationally accepted CHA2-DS2-VASc score used to identify stroke risk in atrial fibrillation could soon be phased out in Europe and replaced with a more comprehensive risk stratification tool.

Delegates at the ESC Congress heard that the CHA2-DS2-VASc score is good at identifying atrial fibrillation patients at relatively high risk of ischemic stroke but poor at assessing those whose risk is low.

As a result, about 50% of low-risk patients are unnecessarily receiving anticoagulation treatment, cardiologist Professor Keith Fox&nbsp