Often dismissed as stress or dehydration, fainting can be the heart's first warning sign. Cardiologists caution that ...

Medically reviewed by Mary Josephine Hessert, DO Common triggers for vasovagal syncope include extreme heat and ...

Unexplained fainting may signal heart problems, Dr. Richard Besser says Dec. 30, 2009— -- Showbiz star Marie Osmond famously fainted during an appearance on the ABC series "Dancing With the Stars ...

Picture this: you’re standing in line at the grocery store when suddenly you feel dizzy, nauseous, and before you know it, you’re waking up on the floor with concerned strangers hovering over you. If ...

Dr. Paul Friedman answers the question: 'What Is A Tilt Table Test?' — -- Question: What is a tilt table test, how does it help diagnose the cause of my fainting, and what does it mean if my tilt ...

We have an update now on the science of swooning. I often swoon when I hear our theme music by B.J. Leiderman. NPR's Jon Hamilton reports on evidence that fainting can be caused by a newly discovered ...

Also known as the "common faint," vasovagal syncope (pronounced vay-zoh-Vay-gul Sing-kuh-pee) results from an abnormal circulatory reflex and could be caused by a number of factors: Environment: The ...