title: Hemiblock and cardiac arrhythmias.
mesh_terms: D000219:Adams-Stokes Syndrome / Q000503:physiopathology; D000368:Aged; D001281:Atrial Fibrillation / Q000503:physiopathology*; D001285:Atropine / Q000627:therapeutic use; D002037:Bundle-Branch Block / Q000503:physiopathology; D006801:Humans
chemical_list: D001285:Atropine