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 Hz low-pass filter correlates with ischemic myocardial scars. While cardiac magnetic resonance (CMR) imaging enhances scar assessment, f-QRS diagnostic values for non-ischemic scars and routine 0.15-40 Hz filter EKGs are unknown. This study evaluates f-QRS (from EKGs with 0.15-40 and 0.15-100 Hz filters) in detecting myocardial scars (ischemic and non-ischemic) using 3.0 Tesla CMR. Methods: This cross-sectional stud… Show more
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