ABSTRACT
The aim of the study is to describe the various findings of electroencephalography in assessing diseases encountered in clinical practice, to audit the use of EEG in a tertiary teaching hospital, and to describe the diagnostic categories in which EEG can be helpful as diagnostic tool. Descriptive study This study has been carried out at Department of Psychiatry Khyber Teaching Hospital, Peshawar. Cases were examined retrospectively over a period of one year from January to December 1998. All the record of the patients who had EEG during one year period i.e. from January to December 1998 was examined. Relevant informations were recorded on a performa prepared for this study. The total number of request during year 1998 were 971, out of which 570 [59%] were male and 401 [41%] were female. In 588 [61%] cases result was positive and in 383 [39%] was negative. Electroencephalography was helpful in assessing the diagnosis of epilepsy in 344 cases [58%] and delirium in 181 cases [31%]. This paper highlights the importance of EEG is an important electrophysiological investigation especially in cases of delirium and epilepsy. It is recommended that it should be available in every tertiary teaching hospital