Chest pain and exercise induced left bundle branch block - A clinical dilemma.
case_series · Level IV
Where this comes from
- Record sourced from PubMed, PMID 31742186.
- Also identified by DOI 10.4103/jfmpc.jfmpc_747_19 and PMC identifier 6857424.
- Licence recorded as CC BY-NC-SA.
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Abstract
Exercise-induced left bundle branch block is a rare electrocardiographic phenomenon. We present two patients with angina pectoris who developed left bundle branch block on ECG during treadmill test. The first patient had non-obstructive coronary arteries with slow flow and is a rarely reported entity. The second patient had typical chest pain with single vessel Coronary Artery Disease. Left bundle branch block occurred in stage I of Treadmill Testing and persisted for approximately 4 hours and then reverted spontaneously. These two interesting cases of this rare phenomenon are presented here with review of relevant literature.