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First published on ScienceDaily.com

A new method of evaluating irregular heartbeats outperformed the approach that’s currently used widely in stroke units to detect instances of atrial fibrillation.

The technology, called electrocardiomatrix, goes further than standard cardiac telemetry by examining large amounts of telemetry data in a way that’s so detailed it’s impractical for individual clinicians to attempt.

Co-inventor Jimo Borjigin, Ph.D., recently published the latest results from her electrocardiomatrix technology in Stroke. Among stroke patients with usable data (260 of 265), electrocardiomatrix was highly accurate in identifying those with Afib.

“We validated the use of our technology in a clinical setting, finding the electrocardiomatrix was an accurate method to determine whether a stroke survivor had an Afib,” says Borjigin, an associate professor of neurology and molecular and integrative physiology at Michigan Medicine.

A crucial metric

After a stroke, neurologists are tasked with identifying which risk factors may have contributed in order to do everything possible to prevent another event.

That makes detecting irregular heartbeat an urgent concern for these patients, explains first author Devin Brown, M.D., professor of neurology and a stroke neurologist at Michigan Medicine.

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“Atrial fibrillation is a very important and modifiable risk factor for stroke,” Brown says.

Importantly, the electrocardiomatrix identification method was highly accurate for the 212 patients who did not have a history of Afib, Borjigin says. She says this group is most clinically relevant, because of the importance of determining whether stroke patients have previously undetected Afib.

When a patient has Afib, their irregular heartbeat can lead to blood collecting in their heart, which can form a stroke-causing clot. Many different blood thinners are on the market today, making it easier for clinicians to get their patients on an anticoagulant they’ll take as directed.

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