[Importance of urgent cerebrospinal fluid examination for early diagnosis of central nervous system infections].

To a certain extent, the cerebrospinal fluid (CSF) composition reflects the current status of the central nervous system (CNS). Therefore, studying changes in even the most essential CSF parameters provides enormous scope for obtaining valuable information about processes in the CNS in relation to its disorders. The article aims at presenting our current conception of urgent CSF examination with special emphasis on early diagnosis of central nervous infections.