alexa Vasovagal Syncope | United-states | PDF | PPT| Case Reports | Symptoms | Treatment

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Vasovagal Syncope

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  • Vasovagal Syncope

    Disease Pathophysiology: Syncope occurs due to global cerebral hypoperfusion. Brain parenchyma depends on adequate blood flow to provide a constant supply of glucose, the primary metabolic substrate. Brain tissue cannot store energy in the form of high-energy phosphates found elsewhere in the body; therefore, a cessation of cerebral perfusion lasting only 3-5 seconds can result in syncope.   


  • Vasovagal Syncope

    Disease Treatment: The cornerstone of treatment is avoidance of triggers known to cause syncope in that person. However, a new development in psychological research has shown that patients show great reductions in vasovagal syncope through exposure-based exercises with therapists if the trigger is mental or emotional, e.g. sight of blood. However, if the trigger is a specific drug, then avoidance is the only treatment.    

  • Vasovagal Syncope

    Statistics: Framingham data demonstrate a first occurrence rate of 6.2 cases per 1000 patient-years. Syncope reoccurs in 3% of affected individuals, and approximately 10% of affected individuals have a cardiac etiology.

  • Vasovagal Syncope

    Research: Govt of USA has taken up programme to research on vasovagal syncope and succeded to get positive results in near future for the better treatment.


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