Neurocardiogenic Syncope (Vasovagal)

Inappropriate bradycardia and/or loss of peripheral tone

Etiology

  • Situational: provoked by fear, anxiety, pain, prolonged standing, coughing, urination, defecation
  • Carotid stimulation: provoked by pressure on carotid body in neck area (e.g. tight fitting collar)

Risk Factors

  • Often younger
  • Low risk for c/v dz

Symptoms

  • Provoked 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
  • Sx may also abate if sit and/or lie down