Smartphone ECGs as Accurate as Standard

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accuracy was equivalent between smartphone and standard ECGs for detecting atrial rate and rhythm, atrioventricular block, and QRS delay.
accuracy was equivalent between smartphone and standard ECGs for detecting atrial rate and rhythm, atrioventricular block, and QRS delay.

(HealthDay News) -- Smartphone electrocardiogram (ECG) accurately detects baseline intervals, atrial rate, and rhythm, according to a study published in the Journal of Cardiovascular Electrophysiology.

Zachary C. Haberman, from the University of Southern California in Los Angeles, and colleagues compared the accuracy of standard 12-lead ECG to the wireless, single-lead smartphone ECG in healthy young adults, elite athletes, and cardiology clinic patients. Automated algorithms interpreted the de-identified ECGs, which were then adjudicated by 2 board-certified electrophysiologists.

The researchers found that accuracy was equivalent between smartphone and standard ECGs for detecting atrial rate and rhythm, atrioventricular block, and QRS delay. Specificities were all above 94% for both ECG methods, while sensitivities ranged from 72% (QRS delay) to 94% (atrial fibrillation).

"Efficient ECG analysis using automated discrimination and an enhanced smartphone application with notification capabilities are features that can be easily incorporated into the acquisition process," the authors write.

Source

  1. Haberman, ZC, et al. Journal of Cardiovascular Electrophysiology, Volume 26, Issue 5, pages 520–526, May 2015; doi: 10.1111/jce.12634.
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