title: Syncope at sleep onset in a patient with nasopharyngeal carcinoma.
abstract: A patient with nasopharyngeal carcinoma developed atypical parapharyngeal-lesion syncope syndrome associated with stereotypical cycles of heart rate variation, which occurred only when he was drowsy before falling asleep. Vagal tone fluctuation is implicated.
authors.affiliation: First Department of Internal Medicine, Fukushima Medical College, Japan.
authors.forename: T
authors.initials: T
authors.lastname: Atsuumi
authors.forename: K
authors.initials: K
authors.lastname: Maehara
authors.forename: T
authors.initials: T
authors.lastname: Saito
authors.forename: T
authors.initials: T
authors.lastname: Sakamoto
authors.forename: M
authors.initials: M
authors.lastname: Muto
authors.forename: T
authors.initials: T
authors.lastname: Watanabe
authors.forename: H
authors.initials: H
authors.lastname: Satou
authors.forename: Y
authors.initials: Y
authors.lastname: Maruyama
mesh_terms: D002294:Carcinoma, Squamous Cell / Q000150:complications* / Q000503:physiopathology; D004562:Electrocardiography; D006339:Heart Rate; D006801:Humans; D008279:Magnetic Resonance Imaging; D008297:Male; D008875:Middle Aged; D009303:Nasopharyngeal Neoplasms / Q000150:complications* / Q000503:physiopathology; D012008:Recurrence; D012890:Sleep; D019462:Syncope, Vasovagal / Q000209:etiology*