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New DNA test predicts dangerous heart rhythms early

Scientists at Northwestern Medicine have developed a new genetic risk score that predicts who is most likely to experience irregular or dangerous heart rhythms. The test merges several types of genetic analysis into one powerful model, offering doctors a clearer way to spot risk early. Researchers believe this “genetic roadmap” could transform how conditions like AFib are detected and prevented. It may also help shape targeted therapies tailored to a person’s unique DNA.

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