title: [QT lengthening and syncope due to severe arrhythmias].
mesh_terms: D000328:Adult; D000368:Aged; D001145:Arrhythmias, Cardiac / Q000150:complications*; D005260:Female; D006801:Humans; D008297:Male; D008875:Middle Aged; D013575:Syncope / Q000209:etiology*; D013610:Tachycardia / Q000150:complications; D014693:Ventricular Fibrillation / Q000150:complications; D014883:Water-Electrolyte Imbalance / Q000150:complications
vernacular_title: Allungamento del QT ed episodi sincopali da gravi turbe del ritmo.