What would cause a split second blackout?

What can cause multiple blackouts?
These include heart problems such as irregular heart beats, seizures, low blood sugar (hypoglycemia), anemia (a deficiency in healthy oxygen carrying cells), and problems with how the nervous system (the body's system of nerves) regulates blood pressure. Some types of fainting seem to run in families.Apr 14, 2021
What is a psychogenic blackout?
Sometimes called 'pseudo' seizures, psychogenic blackouts mimic a seizure but are not caused by abnormal brain activity.Oct 9, 2020
Why Did I black out for a few seconds?
The most common cause of blacking out is fainting. Other causes include epileptic seizures, syncope due to anxiety (psychogenic pseudosyncope) and other rare causes of faints. Other causes of blacking out may be due to low blood sugar (hypoglycaemia) and lack of oxygen (hypoxia) from a variety of causes.Aug 19, 2021
Why does my eyesight go black for a few seconds?
Amaurosis fugax refers to a temporary black-out of vision. This is usually affects one eye, is painless, and is often described like a "shade coming down over the vision" of that eye. The black-out may last minutes, and then the vision returns. The problem can recur in the future, and could affect either eye.

