title: Rate-dependent left bundle-branch block in a child with propionic aciduria.
abstract: In most cases, a left bundle-branch block pattern on an electrocardiogram is a postoperative phenomenon. Under rare circumstances, it can be found in patients after myocardial infarction or in patients with hypertrophic cardiomyopathy, or it can be exercised induced. We describe a pediatric patient with propionic aciduria, dilated cardiomyopathy, and rate-dependent left bundle-branch block on her electrocardiogram.
authors: Section of Pediatric Cardiology, Department of Pediatrics, Ochsner Clinic Foundation, New Orleans, LA.
authors: Kipp B
authors: KB
authors: Ardoin
authors: Douglas S
authors: DS
authors: Moodie
authors: Christopher S
authors: CS
authors: Snyder
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