Pick and choose!
- prolonged standing or upright sitting, particularly when standing with legs in a locked position for long periods of time. Avoidance of long-term locking of one’s legs in the standing position is taught in the military, as well as marching band and drill team.
- stress
- any painful or unpleasant stimuli, such as
- giving a blood donation or watching someone give one
- watching someone experience pain
- watching/experiencing medical procedures
- sight of blood
- occasions of slight discomfort, such as dental and eye examinations
- hyperthermia, a prolonged exposure to heat
- sudden onset of extreme emotions
- hunger
- nausea or vomiting
- dehydration
- urination (’micturition syncope‘) or defecation (’defecation syncope’)
- abdominal straining or ‘bearing down’ (as in defecation)
- swallowing (’swallowing syncope’) or coughing (’cough syncope’)
- random onsets due to nerve malfunctions
- pressing upon certain places on the throat, sinuses, and eyes
- high altitude
- use of certain drugs that affect blood pressure, such as amphetamine
- intense laughter[2]
I just found this on Wikipedia. I am always interested in seeing what other people have to say about NCS. Because some of it is kinda funny. I personally have never gotten sick or passed out from laughing “intensely” thank goodness!! I would be screwed if that was the case! And pressing upon the eyes? Yes…while laying in bed, I push my thumbs into my eyes for fun…really???
Anyways…I thought those were interesting enough to share. Which ones are YOUR triggers??