title: Cardiorespiratory dynamics during vasovagal syncope induced by a head-up tilt.
mesh_terms: D000328:Adult; D001794:Blood Pressure; D002302:Cardiac Output; D006339:Heart Rate; D006439:Hemodynamics; D006801:Humans; D008297:Male; D011187:Posture; D012119:Respiration; D013575:Syncope / Q000209:etiology / Q000503:physiopathology*; D014655:Vascular Resistance