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Carotid Sinus Syncope

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Carotid Sinus Syncope, Cardioinhibitory Syncope, Carotid Sinus Hypersensitivity

  • See Also
  1. Syncope
  2. Syncope Causes
  3. Vasovagal Syncope
  • Epidemiology
  1. Most often occurs in patients over age 60 years
  • Category
  1. Carotid Sinus Hypersensitivity
  • Symptoms
  • Provocative maneuvers
  1. Head turning
  2. Tight shirt collar
  3. Valsalva Maneuver
  4. Shaving
  • Signs
  1. Electrophysiologic evaluation normal
  2. Carotid Sinus Massage results in one of three findings
    1. Three second sinus pause
      1. Sinus Bradycardia
      2. Atrioventricular Block
    2. Hypotension without Bradycardia
    3. Syncope with normal pulse and Blood Pressure
  • Differential Diagnosis
  1. See Syncope Causes
  2. Vasodepressor Syncope
  • Management
  1. Dual chamber cardiac Pacemaker