In the absence of structural heart disease (including a normal ECG), syncope is most often of neurally mediated reflex origin or orthostatic hypotension. As a rule, reflex etiologies predominate in ...

Syncope is a temporary loss of consciousness that happens due to a decrease in blood flow to your brain. It’s more commonly known as fainting. Fainting accounts for between 3 and 5 percent of ...

Vasovagal syncope (VVS) describes fainting that occurs in response to a sudden drop in heart rate or blood pressure. Doctors sometimes refer to VVS as neurocardiogenic syncope or reflex syncope. This ...

The main purpose of a gag reflex is to contract the throat to prevent a person from choking. A gag reflex is a natural response. However, in some people, the gag reflex may be oversensitive. In these ...

You won’t die from vasovagal syncope on its own. However, the suddenness of the reaction and temporary loss of consciousness that follows can lead to dangerous falls and injuries. Vasovagal syncope ...