title: [Dystrophia myotonica].
abstract: The authors present two cases of myotonic dystrophy (Steinert's disease) with cardiac involvement in young adults. They point out the rareness of this disease, the multisystemic involvement and also the diagnostic problems in the absence of the classic clinical picture.
authors.affiliation: Serviço de Medicina Interna, Hospital de Santa Marta, Lisboa.
authors.forename: A
authors.initials: A
authors.lastname: Leite
authors.forename: T
authors.initials: T
authors.lastname: Eliseu
authors.forename: P M
authors.initials: PM
authors.lastname: da Silva
authors.forename: G
authors.initials: G
authors.lastname: de Sousa
authors.forename: H
authors.initials: H
authors.lastname: Bastos
authors.forename: F L
authors.initials: FL
authors.lastname: Nobre
mesh_terms: D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D009223:Myotonic Dystrophy / Q000175:diagnosis* / Q000628:therapy; D010138:Pacemaker, Artificial; D013614:Tachycardia, Paroxysmal / Q000175:diagnosis / Q000628:therapy; D013617:Tachycardia, Supraventricular / Q000175:diagnosis / Q000628:therapy; D017180:Tachycardia, Ventricular / Q000175:diagnosis / Q000628:therapy