Cardiac arrhythmias are common, but can be difficult to diagnose due to their sparse and fleeting occurrences. Since the 1960s, the gold standard for their diagnoses has been the Holter monitor, a “portable” ECG-type device with 5 to 7 leads connected to a central processing unit, which continuously records electrical cardiac activity to help spot abnormal signals over an extended time period. Due to its bulky size and numerous leads, the Holter monitor has been a nuisance for its wearers. Researchers at the Scripps Translational Science Institute (STSI) have published a study that shows the small, wearable wireless ZIO Patch (iRhythm Technologies, San Francisco, CA) is better at diagnosing arrhythmias than the bulky Holter monitor, and also preferred by patients, potentially paving a new way for ambulatory heart monitoring.
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