Vasovagal response

A vagal episode or vasovagal response or vasovagal attack (also called neurocardiogenic syncope) is a malaise mediated by the vagus nerve. When it leads to fainting, also known as a "syncope", it is called a vasovagal syncope, which is the most common type of fainting. Vasovagal syncope is most commonly found in adolescents and in younger adults.