Syncope at sleep onset in a patient with nasopharyngeal carcinoma.
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.
Atsuumi
T
T
First Department of Internal Medicine, Fukushima Medical College, Japan.
Maehara
K
K
Saito
T
T
Sakamoto
T
T
Muto
M
M
Watanabe
T
T
Satou
H
H
Maruyama
Y
Y
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*