vasovagal

adj.
Relating to or involving blood vessels and the vagus nerve.

(vā'zō-vā'gəl)
adj.

Relating to or involving blood vessels and the vagus nerve.

Vascular and vagal.

• v. attack, v. syncope — a transient vascular and neurogenic reaction in humans marked by pallor, nausea, sweating, bradycardia, and rapid fall in arterial blood pressure which, when below a critical level, results in loss of consciousness and characteristic electroencephalographic changes.