title: [Electrophysiological study of 4 cases of pre-excitation with an unusual course].
mesh_terms: D000787:Angina Pectoris / Q000150:complications; D006328:Cardiac Catheterization; D002304:Cardiac Pacing, Artificial; D006333:Heart Failure / Q000150:complications; D006801:Humans; D008875:Middle Aged; D013610:Tachycardia / Q000150:complications; D013614:Tachycardia, Paroxysmal / Q000150:complications; D014693:Ventricular Fibrillation; D014927:Wolff-Parkinson-White Syndrome / Q000503:physiopathology*
vernacular_title: Studio elettrofisiologico di 4 casi di pre-eccitazione a comportamento particolare.