The American journal of cardiologyHumansMaleFemaleMiddle AgedCardiomyopathies
Relationship Between QRS Fragmentation on Electrocardiogram and Myocardial Scar Characterization on Cardiac Magnetic Resonance Imaging in Patients With Ischemic and Nonischemic Cardiomyopathy.
Meshal AlAnezi, Scott Barichello, Hirmand Nouraei, Sheldon M Singh, Nigel S Tan, Vivek Singh Parmar, Paul Dorian, Binita Riya Chacko, Raymond T Yan, Yin Ge, Kamran Ahmad, Tamar Shalmon, Laura Jimenez-Juan, Djeven P Deva, Andrew T Yan
Published: 202510.1016/j.amjcard.2025.09.053
Abstract
Fragmented QRS (fQRS) on electrocardiogram (ECG) may reflect myocardial fibrosis in both ischemic and nonischemic cardiomyopathy. Gray zone on cardiac magnetic resonance (CMR), which represents a heterogeneous interface between dense scar and viable…
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