Key result
AFib with aberrant left bundle conduction manifests as wide-complex tachycardia in a CAD patient.
This case illustrates that wide complex tachycardia in a patient with prior myocardial infarction can be caused by atrial fibrillation with aberrant conduction.
An elderly man with a history of coronary artery disease presented with sudden-onset palpitations. The electrocardiogram showed wide complex tachycardia with left bundle branch morphology which terminated spontaneously. Subsequent ECGs confirmed the diagnosis as atrial fibrillation with aberrant conduction because of a diseased left bundle.
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Bhasin et al. (2020) studied this question. Wide-complex tachycardia in a patient with coronary artery disease was diagnosed as atrial fibrillation with aberrant conduction due to a diseased left bundle.
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