Fainting (Syncope) Causes, Symptoms, Diagnosis, and Treatment

Introduction to fainting (syncope) Fainting, "blacking out," or syncope is the temporary loss of consciousness followed by the return to full wakefulness. This loss of consciousness is accompanied by loss of muscle tone that can result in falling or slumping over. To better understand why fainting can occur; it is helpful to explain why somebody is awake. The brain has multiple parts,