Low Blood Pressure Causes, Symptoms, Treatment - Low Blood Pressure and the Arterial Wall - eMedicineHealth

Low Blood Pressure Causes, Symptoms, Treatment - Low Blood Pressure and the Arterial Wall - eMedicineHealth: Over stimulation of the vagus nerve can cause dilation of the blood vessels as well. A temporary, self-limiting situation called vasovagal syncope (passing out from low blood pressure due to overstimulation of the vagus nerve) is often seen when a patient receives a noxious stimulus.