Syncope.
D000293:Adolescent; D000328:Adult; D001794:Blood Pressure; D003937:Diagnosis, Differential; D004827:Epilepsy / Q000175:diagnosis; D006339:Heart Rate; D006801:Humans; D011187:Posture; D013575:Syncope / Q000175:diagnosis / Q000209:etiology / Q000628:therapy