Syncope
Read about fainting (syncope), a sudden temporary loss of consciousness that usually results in a fall.
Read about symptoms of fainting. When you faint, you'll usually feel week and unsteady before passing out for a short period of time, usually foronly afew seconds.
Read about the causes of fainting. Fainting (syncope) is caused by a temporary reduction in blood flow to the brain. This can occur for a number of reasons.