Syncope is a common disorder of temporary loss of consciousness and posture, described as fainting or passing out. Its usually related to temporary insufficient blood flow to the brain and annually affects six per cent of elderly persons and accounts for 3 per cent of emergency department visits. Syncope is an important heart problem, is disabling, costly, may cause grievous injury or may be the only initial sign before the sudden cardiac death. Evaluating cause of syncope is difficult as brain, heart or some metabolic abnormality could be responsible for the same. The probable cause of syncope is established in only 75 per cent of cases. The annual cost of evaluating and treating patients with syncope in United States alone is a staggering 800 million dollars.
The common faint or Vasovagal Syncope
Most of us remember that in our morning school assembly, a student would fall on prolonged standing. On lying flat on the ground he would recover promptly and such episodes were more common during sunny days. This was actually vasovagal syncope or the common faint. This is more common during emotional stress, pain, after a hot shower or in warm environment. It is seen...
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