Vasovagal reflex

external

• Synonyms

  • Excessive vagal tone

• Causes

  • Emotional stress
  • Pain
  • Carotid sinus hypersensitivity
  • Paroxysmal coughing
  • Sudden standing up
  • Autonomic neuropathy
  • Antihypertensive drug
  • Multiple system atrophy
  • Vertigo

• Effects

  • Nausea and vomiting
  • Pallor
  • Sweating
  • Sudden fall in blood pressure
  • First degree atrioventricular block
  • Mobitz type I heart block