Adjective
vasovagal (not comparable)
(medicine) Pertaining to the vagus nerve as well as the vascular system; often describing an attack etc. characterised by slowing of the pulse and a fall in blood pressure.
Following infusion of 32 mg over only a 4-minute period, a vasovagal episode with transient second-degree was observed. Source: Internet
The reflex that causes vasovagal syncope can occur to some extent in everyone, so almost anyone can have a vasovagal episode if a sufficiently strong triggering event occurs. Source: Internet