Background: Exercise stress electrocardiography (ECG) alone is underutilized despite guideline recommendations in part due to poor diagnostic accuracy. High frequency QRS analysis (HF-QRS) is a novel tool to supplement standard… Click to show full abstract
Background: Exercise stress electrocardiography (ECG) alone is underutilized despite guideline recommendations in part due to poor diagnostic accuracy. High frequency QRS analysis (HF-QRS) is a novel tool to supplement standard ST-analysis during stress ECG. We sought to compare the diagnostic
               
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