Chest pain and exercise induced left bundle branch block - A clinical dilemma.

Source:   J Family Med Prim Care 2019 Oct . 8 ( 10 ) : 3434-3436 . doi: 10.4103/jfmpc.jfmpc_747_19 . 2019 10 31
PMID: 31742186
DOI: 10.4103/jfmpc.jfmpc_747_19


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.

Author information
  1. Department of Cardiology, All India Institute of Medical Sciences, Jodhpur, Rajasthan, India.
Angina pectoris , coronary artery disease , exercise induced , left bundle branch block .
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