Ann Pediatr Card Close
 

Figure 1: (a) Baseline electrocardiogram on the day of admission demonstrating a prolonged PR interval and mild QTc prolongation. (b) Electrocardiogram obtained during bradycardic episodes demonstrating sinus bradycardia, prolonged PR interval, and no QTc prolongation

Figure 1: (a) Baseline electrocardiogram on the day of admission demonstrating a prolonged PR interval and mild QTc prolongation. (b) Electrocardiogram obtained during bradycardic episodes demonstrating sinus bradycardia, prolonged PR interval, and no QTc prolongation