title: On the triggering mechanism of vasovagal syncope.
mesh_terms: D002319:Cardiovascular System / Q000294:innervation*; D006439:Hemodynamics; D006801:Humans; D013564:Sympathetic Nervous System / Q000503:physiopathology; D013575:Syncope / Q000503:physiopathology*; D014630:Vagus Nerve / Q000503:physiopathology*