Cardiovascular Medicine Book

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Carotid Sinus SyncopeAka: Cardioinhibitory Syncope, Carotid Sinus Hypersensitivity

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  1. See Also
    1. Syncope
    2. Syncope Causes
    3. Vasovagal Syncope
  2. Epidemiology
    1. Most often occurs in patients over age 60 years
  3. Category
    1. Carotid sinus hypersensitivity
  4. Symptoms: Provocative maneuvers
    1. Head turning
    2. Tight shirt collar
    3. Valsalva maneuver
    4. Shaving
  5. 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
  6. Differential Diagnosis
    1. See Syncope Causes
    2. Vasodepressor Syncope
  7. Management
    1. Dual chamber cardiac Pacemaker

Syncope, Carotid Sinus (C0221046)

ConceptsDisease or Syndrome (T047)
MSHD013575
EnglishCAROTID SINUS SYNCOPE, Carotid Sinus Syncopes, Carotid sinus syndrome, TIGHT COLLAR SYNDROME, WEISS-BAKER SYNDROME
Spanishsincope del seno carotideo, sindrome del seno carotideo
Parent ConceptsCarotid Artery Diseases (C0007273), Autonomic nervous system disorders (C1145628)
SourcesDXP, MSH, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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