ABSTRACT
Non-traumatic Altered State of Consciousness [ASC] is a non-specific consequence of various etiologies. The aim of this study is to collect the demographic data and to review the various etiologies responsible for non-traumatic ASC in Emergency Department. This retrospective study was carried out in teaching Hospital, Kota Bharu for a period of 6 months. Patients' demographic characteristics and the etiologies were analyzed. The total number of patients was 221. Fifty-four percent [54.3%] of the patients were males. The mean age of the patients was 56 years old with underlying medical illnesses. Most of them were non-smokers. The most common characteristics of non-traumatic ASC were ischemic stroke [cerebral infarction] [22.6%], intracerebral bleeding [17.2%] and cardiovascular related diseases [9.5%]. Majority of them were very ill and required intensive care. Four of them died in Emergency Department. Definitely, non-traumatic ASC required intensive management at ED and critical ward. Even though the adult non-traumatic ASC was not uncommon, it was associated with high morbidity. Mean age was 56 years old and equal distribution between males and females. Most of them had hypertension, diabetes mellitus or other cardiovascular disease related. The most common non-traumatic ASC were intracranial pathology and cardiovascular related disease was the second