title: UNUSUAL QRS ALTERATIONS SEEN IN CONTINUOUS ELECTROCARDIOCORDER RECORDINGS. INSTANCES ASSOCIATED WITH MYOCARDITIS, BUNDLE BRANCH BLOCK, AND ANGINA PECTORIS.
mesh_terms: D000293:Adolescent; D000787:Angina Pectoris; D002037:Bundle-Branch Block; D000075224:Cardiac Conduction System Disease; D004562:Electrocardiography; D004864:Equipment and Supplies; D005853:Geriatrics; D006327:Heart Block; D006801:Humans; D009205:Myocarditis
keywords: ADOLESCENCE; ANGINA PECTORIS; BUNDLE-BRANCH BLOCK; ELECTROCARDIOGRAPHY; EQUIPMENT AND SUPPLIES; GERIATRICS; MYOCARDITIS