Neurocardiogenic (reflex) Syncope

Inappropriate bradycardia and/or loss of peripheral tone

Your Path

  • Neurocardiogenic (reflex) Syncope


  • Vasovagal: provoked by fear, anxiety, pain, stress, noxious stimuli, heat exposure
  • Situational: provoked by prolonged standing, coughing, urination, defecation, eating (post-prandial)
  • Carotid stimulation: provoked by pressure on carotid body in neck area (e.g. tight fitting collar)

Risk Factors

  • Often younger
  • Low risk for cardiovascular disease


  • Syncopal event preceded by fear, anxiety, pain prolonged standing, carotid stimulation, urination, cough
  • Feel suddenly sweaty, lightheaded/weak, blurry vision, warm
  • Tends to recur in similar situations
  • Recovery is usually rapid
  • Symptoms may also abate if sit and/or lie down

Physical Exam Findings

  • Absence of findings of structural heart disease or other abnormalities