Diagnostic performance of the fragmented QRS complex on electrocardiogram for detecting myocardial scars assessed by 3.0 Tesla cardiac magnetic resonance imaging
Kasin Viriyanukulvong,
Nonthikorn Theerasuwipakorn,
Wanwarang Wongcharoen
et al.
Abstract:Background
Fragmented QRS complex (f-QRS) on a 12-lead electrocardiogram (EKG) with a 0.15–100 or 150 Hz low-pass filter is known to be related to ischemic myocardial scars. Cardiac magnetic resonance (CMR) imaging enhances tissue characterization capability resulting in a better myocardial scar assessment over other noninvasive imaging modalities. However, the diagnostic values of f-QRS on non-ischemic scars and f-QRS from EKG with a 015–40 Hz low-pass filter (routine filter in clinical practice) are unknown… Show more
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