Why the study?
Alternating bundle branch block pattern on ECG is a concerning finding with important prognostic implications.
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Highlights the electrophysiological mechanism of alternating bundle branch block and PR intervals following transcatheter aortic valve replacement.
Alternating bundle branch block pattern on electrocardiogram (ECG) is a concerning finding with important prognostic implications. This ECG challenge explores the electrophysiological mechanism of a case of alternating bundle branch block with alternating PR intervals. (Level of Difficulty: Beginner.)
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Kulkarni et al. (2020) studied this question.
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