http://medicalxpress.com/ en-us Medical Xpress internet news portal provides the latest news on Health and Medicine. (HealthDay)—Fainting isn't fun. For those who have ever suddenly and briefly lost consciousness, it's a disconcerting situation that typically triggers a thorough medical workup. Unfortunately, it's often tough for physicians to determine just what caused a first fainting episode. http://medicalxpress.com/news/2012-12-fainting-healthy-people-heart.html Cardiology Wed, 12 Dec 2012 18:00:02 EST news274556406