There are three main types of volcano-composite or strato, shield and dome. Composite Volcanoes. Composite volcanoes, sometimes known as strato volcanoes, are steep sided cones formed from layers of ash and [lava] flows. The eruptions from these volcanoes may be a pyroclastic flow rather than a flow of lava.
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. Not to be confused with Vagovagal reflex. A vasovagal syncope, vasovagal episode or vasovagal response also called a neurocardiogenic syncope is a malaise mediated by the vagus nerve. Vasovagal syncope is the most common type of fainting. Vasovagal syncope is most commonly found in adolescents and in older adults.