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Dunn RJ

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CHA2DS2VA and stroke risk table

05/09/2026 by Bob Dunn

The table on the Stroke prevention in atrial fibrillation page previously demonstrating the CHA2DS2Vasc score and stroke risk has been updated to demonstrate the CHADS2VA score and stroke risk.

Categories Updates Tags Neurology, Resuscitation
Atrial fibrillation stroke risk
Limitations of the CHA2DS2VA score

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Contributors
Associate Professor Robert Dunn

Previous contributors
Associate Professor Meredith Borland
Dr Deborah O'Brien
Dr Stuart Dilley
Dr Jennifer Brookes
Associate Professor Deborah Leach

Formula of the day

Desmopressin for vWD - 0.3 µg/kg IV over 30 minutes or S/Cut

Medical wisdom

Organizations are ambiguous, often intentionally, about the relationship between production targets, efficient use of resources, economy and costs of operations, and acceptable risks of low and high consequence accidents. This ambiguity has to be resolved by the actions of practitioners at the sharp end of the system.

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