Skip to main content

Carotid Sinus Hypersensitivity

Afsha Rais, MD and Niyomi De Silva, MD Reviewed 06/2022
 


BASICS

DESCRIPTION

  • The carotid sinus is located near the bifurcation of the internal and external carotid arteries and contains baroreceptors that are responsive to increases or decreases in arterial p...

DIAGNOSIS

HISTORY

  • Recurrent syncope: usually sudden, unexplained, of short duration, seemingly spontaneous, and with complete recovery, although fractures and other injuries may occur

  • Unexplained falls:...

TREATMENT

GENERAL MEASURES

  • No treatment is required for isolated CSH in asymptomatic individuals.

  • High-dietary salt intake and increased fluid intake may be helpful to maintain intravascular volume in p...

ONGOING CARE

PATIENT EDUCATION

  • Avoid precipitating maneuvers (as described above) that place pressure on the neck, such as tight collars and neckties.

  • With syncope, restrict driving or other potentially...

REFERENCES

1
McDonald C, Pearce MS, Newton JL, Kerr SR. Modified criteria for carotid sinus hypersensitivity are associated with increased mortality in a population-based study. Europace. 2016;18(7):11...

ADDITIONAL READING

  • Amin V, Pavri BB. Carotid sinus syndrome. Cardiol Rev. 2015 May-Jun;23(3):130-134.

  • Kapoor JR. Carotid sinus hypersensitivity: a diagnostic p...

SEE ALSO

Syncope 

CODES

ICD10

G90.01 Carotid sinus syncope 

SNOMED

  • 9631000119102 Carotid sinus hypersensitivity

  • 51723007 Carotid sinus syncope (disorder)

CLINICAL PEARLS

  • Consider CSH as a potential cause for syncope, dizziness, or unexplained falls, especially in the elderly.

  • Diagnose CSH via CSM (using firm pressure for 5 to 10 seconds), producing asys...

Subscribe to Access Full Content

Sign Up for a 10-Day Free Trial

Sign up for a 10-day FREE Trial now and receive full access to all content.

×