Belhassen, Bernard QRS complexes with a left bundle branch block morphology during adenosine triphosphate test: what is the diagnosis? [electronic resource] - Journal of cardiovascular electrophysiology May 2002 - 519-20 p. digital Publication Type: Case Reports; Journal Article ISSN: 1045-3873 Standard No.: 10.1046/j.1540-8167.2002.00519.x doi Subjects--Topical Terms: Adenosine TriphosphateAtrioventricular Node--abnormalitiesBundle-Branch Block--physiopathologyChildElectrocardiography--drug effectsHeart Conduction System--abnormalitiesHumansMale