Article Text
Image challenge
Seventy-one-year-old man with transient left bundle branch block
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Footnotes
Contributors AJM wrote the first draft of the manuscript. AJ and J-PC were involved in the care of the patient and made revisions to the manuscript.
Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.
Competing interests None declared.
Patient consent for publication Obtained.
Provenance and peer review Not commissioned; externally peer reviewed.