Elijah Behr, M.D., a cardiologist at Mayo Clinic Healthcare in London, explains five things it is important to know about fainting. Fainting or blacking out, also known as syncope, is a temporary ...

Fainting from shock, often depicted in films and TV as a response to emotional distress, is known as vasovagal syncope. This type of fainting is common, harmless, and typically not indicative of a ...