Vasovagal Syncope

Question 1

What is Vasovagal Syncope?

Answer 1

Fainting in response to a stressor, such as an emotional trigger.

This condition is characterized by a loss of consciousness due to decreased cerebral perfusion.

Question 2

What triggers Vasovagal Syncope?

Answer 2

An initial sympathetic response followed by an excessive parasympathetic response.

Stressors can be emotional or physical.

Question 3

What happens during the parasympathetic response in Vasovagal Syncope?

Answer 3

Peripheral arterioles dilate and the heart rate slows excessively.

This leads to decreased cerebral perfusion and as a result lightheadednessee and fainting.

Question 4

How can Vasovagal Syncope be diagnosed?

Answer 4

Using a tilt-table test that reproduces symptoms.

This test helps to confirm the diagnosis by simulating the conditions that trigger syncope.

Question 5

Treatment of vasovagal syncope

Answer 5

Reassurance, avoidance triggers, and counter pressure maneuvers