Fainting or blacking out, also known as syncope, is a temporary loss of consciousness due to insufficient blood flow to the brain. Dreamstime/TNS You may have heard that people who feel faint should ...

The ED evaluation of syncope necessitates obtaining a careful history to determine whether such causes as intoxication, sepsis, migraine, or seizure are likely. Physical examination will aid in ...

When the heart beats too fast or too slow, blood pressure can drop suddenly, reducing blood flow to the brain and causing a ...

Episodes of fainting are mostly dismissed as those due to stress, fatigue, or dehydration. Sometimes, even when you do not eat properly, you may feel unconscious, but doctors have a different take.

Fainting represents one of the body’s most dramatic protective mechanisms – a sudden, temporary loss of consciousness that looks alarming but often serves a vital purpose. This phenomenon, medically ...

The syncope that most concerns healthcare professionals is cardiac syncope, blacking out due to an underlying heart disease such as a heart rhythm abnormality, or arrhythmia, he said. "This is usually ...

You may have heard that people who feel faint should sit with their heads between their knees, but is that true? And how can you tell whether you or someone else who has fainted should go to the ...

LONDON — You may have heard that people who feel faint should sit with their heads between their knees, but is that true? And how can you tell whether you or someone else who has fainted should go to ...