Carotid Sinus Hypersensitivity Clinical Presentation

Updated: Nov 15, 2018
  • Author: Mevan N Wijetunga, MD, FACC, FHRS; Chief Editor: Mikhael F El-Chami, MD  more...
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Presentation

History

Many patients remain asymptomatic. Among those who are symptomatic, the following symptoms and signs could be observed in clinical settings:

  • Recurrent dizziness, near-syncope

  • Recurrent syncope [13]

  • Nonaccidental, unexplained falls [2]

  • Symptoms produced by head turning or wearing garments with tight-fitting collars.

  • Neck tumors, extensive neck scarring secondary to radical dissection or radiation fibrosis or neck trauma

  • Possible prodrome or retrograde amnesia for the syncopal event

  • Symptoms and signs produced when taking carotid pulse or during head and neck surgery

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Physical

Signs of CSH found upon examination include the following:

  • Hypotension

  • Bradycardia

  • Asystole

  • Auscultation for carotid artery bruit prior to consideration of carotid sinus massage

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Causes

CSH is associated with the following [14] :

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