A trigger (from the Dutch trekken, meaning to pull) is a lever which, when pulled by the finger, releases the hammer on a firearm. In a database, a trigger is a set of Structured Query Language (SQL) statements that automatically fires off an action when a specific operation, such as changing data in a table, occurs. A trigger consists of an event (an INSERT, DELETE, or UPDATE statement issued against an associated table) and an action (the related procedure).
Other conditions sometimes associated with Chiari malformation include hydrocephalus, syringomyelia, spinal curvature, tethered spinal cord syndrome, and connective tissue disorders such as Ehlers-Danlos syndrome and Marfan syndrome. Chiari malformation is the most frequently used term for this set of conditions.
Although some people have no symptoms, others have symptoms that are not specific to Chiari malformation. Therefore, your doctor will conduct a careful exam and order imaging tests to rule out other conditions that may be causing your symptoms. A diagnosis of Chiari malformation must be one of exclusion. Some of the tests to help confirm this diagnosis include: Brainstem auditory evoked potential (BAEP)