Syncope, Vasovagal

**Definition:** Loss of consciousness due to a reduction in blood pressure that is associated with an increase in vagal tone and peripheral vasodilation.

**Tree numbers:** - C10.177.575.600.800 - C10.597.606.358.800.600.500 - C23.888.592.604.359.800.600.500

**Synonyms:** - Syncope, Neurocardiogenic - Syncope, Neurogenic - Neurally Mediated Faint - Syncope, Vasovagal, Neurally-Mediated - Syncope, Vasodepressor