Published on June 13, 2017
Vasovagal syncope
A sudden drop in heart rate and blood pressure, often in reaction to a stressful trigger.
Overview
Common triggers include strain, stress, long periods of standing, heat exposure, or the site of blood.
Symptoms
Symptoms include paleness, nausea, sweating, a rapid heartbeat, and possible fainting.
Treatments
Treatments include trigger avoidance, medications, or a pacemaker.