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A medical problem which can have many different causes is syncope (fainting). Syncope may occur rarely or frequently, depending on the cause. Some causes of syncope may include, but are not limited to, the following:
When a physician sees a child with a complaint of syncope, the physician will carefully evaluate the child's past medical history and perform a physical examination. If basic components of the examination or history do not reveal a potential cause for the syncope, and the child has no history of heart disease or a heart condition, then further diagnostic procedures, such as a tilt table procedure, may be scheduled.
The tilt table procedure attempts to identify the cause for the onset of syncope by making changes in posture from lying to standing. This is done by having the child lie flat on a special bed or table while connected to EKG and blood pressure monitors. The bed or table is then elevated to an almost standing position to simulate the patient actually standing up from a lying position. The blood pressure and EKG are measured during the test to evaluate changes during the position changes. If the test causes an episode of syncope, then the probable cause of the syncope is vasovagal syndrome. The physician can then prescribe specific treatment for the syncope once the cause is known.
If the test does not cause an episode of syncope, and/or the EKG and blood pressure recordings do not detect an abnormality, then additional tests or procedures may be scheduled to gather further diagnostic information.
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