title: [Sinus dysfunction in Basedow's disease. A case report].
abstract: INTRODUCTION AND EXEGESIS: The authors report a case of sinus node dysfunction that occurred in a 22-year-old patient with Graves' disease and disappeared after thyroidectomy.
  
  
  CONCLUSIONS
  Bradycardia is uncommon in hyperthyroidism, the sinus node dysfunction would be due to thyrotoxicity-related myocarditis.
authors.affiliation: Service de médecine interne B, hôpital militaire d'instruction Mohammed V, Rabat, Maroc.
authors.forename: A
authors.initials: A
authors.lastname: Moustaghfir
authors.forename: A
authors.initials: A
authors.lastname: Kharchafi
authors.forename: F
authors.initials: F
authors.lastname: Mahassin
authors.forename: J
authors.initials: J
authors.lastname: Chaari
authors.forename: D
authors.initials: D
authors.lastname: Ghafir
authors.forename: V
authors.initials: V
authors.lastname: Ohayon
authors.forename: M I
authors.initials: MI
authors.lastname: Archane
mesh_terms: D000328:Adult; D004562:Electrocardiography; D006111:Graves Disease / Q000150:complications* / Q000503:physiopathology / Q000601:surgery; D006801:Humans; D008297:Male; D009205:Myocarditis / Q000209:etiology; D013616:Tachycardia, Sinus / Q000175:diagnosis / Q000209:etiology*; D013965:Thyroidectomy