Skip to main content

Carotid Sinus Hypersensitivity

Amal Shine, MD, Brock Kabat, MD and Hugh R. Peterson, MD, FACP Reviewed 06/2020
 


BASICS

DESCRIPTION

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

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 asymptomatic individuals.

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

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
Kerr SRJ, Pearce MS, Brayne Cet al. Carotid sinus hypersensitivity in asymptomatic older persons: implications for diagnosis of syncope and falls. Arch Intern Med.  2006;166(5):515–52...

ADDITIONAL READING

  • Amin V, Pavri BB. Carotid sinus syndrome. Cardiol Rev.  2015;23(3):130–134. [View Abstract on OvidMedline]

  • Kapoor JR. Carotid sinus hypersensitivity: a diagnostic pearl. J Am Co...

CODES

ICD10

G90.01 Carotid sinus syncope 

ICD9

337.01 Carotid sinus syndrome 

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.

×