Why the study?
RBBB-pattern PVCs independently predict LGE scar on CMR, but their positive predictive value is low, and CMR is expensive and time-consuming.
Do specific electrocardiographic features of RBBB-pattern PVCs predict the absence of left ventricular scar on CMR in athletes with apparently structurally normal hearts?
Population
121 athletes with monomorphic RBBB PVCs and normal standard clinical investigations who underwent CMR
Comparison
ECG characteristics associated with presence vs absence of LGE
Authors
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ECG qR pattern or narrower QRS associate with absent LGE; leaves open CMR-sparing role in athletes with RBBB-PVCs.
Do specific electrocardiographic features of RBBB-pattern PVCs predict the absence of left ventricular scar on CMR in athletes with apparently structurally normal hearts?
Specific ECG features of RBBB-pattern PVCs can reliably predict the absence of left ventricular scar on CMR in athletes, potentially reducing the need for expensive imaging.
Calò et al. (2023) studied this question.
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