Blood vessels: It means that for some reason, when you stand up or go to an upright position your blood vessels don't regulate your blood pressure like they should. Usually this is done by them "clamping down" and causing you to stabilize your blood pressure.
Answered 8/22/2013
4.9k views
Syncope: vasodepressor, vasovagal or neurocardiogenic syncope are terms used for that type of syncope.
Answered 7/3/2015
2.6k views
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