What is syncope? Syncope is temporary loss of consciousness and
posture, described as "fainting" or "passing out." It's usually
related to temporary insufficient blood flow to the brain. It
most often occurs when the blood pressure is too low
(hypotension) and the heart doesn't pump a normal supply of
oxygen to the brain. What causes syncope? It may be caused by
emotional stress, pain, pooling of blood in the legs due to
sudden changes in body position, overheating, dehydration, heavy
sweating or exhaustion. Syncope may occur during violent
coughing spells (especially in men) because of rapid changes in
blood pressure. It also may result from several heart,
neurologic, psychiatric, metabolic and lung disorders. And it
may be a side effect of some medicines. - those occurring with
exercise - those associated with palpitations or irregularities
of the heart - those associated with family history of recurrent
syncope or sudden death What is neurally mediated syncope?
Neurally mediated syncope (NMS) is called als