Aboriginal and Torres Strait Islander people are more than twice as likely to have a stroke as non-Indigenous Australians. These strokes occur younger, are more likely to be fatal, and often result in long-term disability. Around one-third are linked to atrial fibrillation – a condition that causes an irregular and often very rapid heartbeat. But these strokes are largely preventable if diagnosed and treated early. In Australia, screening for atrial fibrillation is generally recommended for peop