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Syncope Caused by a Head and Neck Cancer Controlled by a Permanent Pacemaker

Authors
  • Barradas, Ana Rita1
  • Albuquerque, Francisco1
  • Constante, Mariana1
  • Fonseca, Margarida R1
  • Correia, Filipe2
  • Delgado, João Lopes1
  • 1 Internal Medicine Department, Egas Moniz Hospital, Lisbon, Portugal
  • 2 Otorhinolaryngology Department, Egas Moniz Hospital, Lisbon, Portugal
Type
Published Article
Journal
European Journal of Case Reports in Internal Medicine
Publisher
SMC Media Srl
Publication Date
Mar 31, 2020
Volume
7
Issue
6
Identifiers
DOI: 10.12890/2020_001533
PMID: 32523915
PMCID: PMC7279898
Source
PubMed Central
Keywords
License
Unknown

Abstract

Syncope caused by carotid sinus syndrome due to head and neck cancer is rare. We report a case of recurrent syncope as a result of extreme bradycardia requiring pacemaker implantation. The patient began chemotherapy and radiation therapy to treat the underlying cause. When diagnosed early, a positive outcome is expected in these situations. LEARNING POINTS The differential diagnosis of transient loss of consciousness is frequently evident at clinical examination but may prove to be a challenge. The invasion and direct compression of the carotid sinus is a rare cause of carotid sinus syndrome and presents clinically as syncope.

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