Dexmethylphenidate, sold under the trade names Focalin among others, is a central nervous system stimulant used in the treatment of attention deficit hyperactivity disorder and narcolepsy. It is in the phenethylamine and piperidine classes of medications. It is the active dextrorotatory enantiomer of methylphenidate.
What is syncope? Syncope (pronounced âsin ko peaâ) is the medical term for fainting or passing out. It is caused by a temporary drop in the amount of blood that flows to the brain. Syncope can happen if you have a sudden drop in blood pressure, a drop in heart rate, or changes in the amount of blood in areas of your body.
Table 1: Main points in the history in the dental patient with possible neurological disorders. Syncope may be vaso-vagal in origin (the simple faint) or may occur in response to certain situations such as coughing. A vaso-vagal attack may be precipitated by the fear of dental treatment, heat or a lack of food.