The stress level of general medical ward (18), intensive care (15) and emergency department nurses (13) was measured with a questionnaire. For 13 intensive care and 3 emergency department nurses stress level was measured also with a computerized system (COMES). Main sources of stress among nursing personnel are death and dying, and workload. There are no differences between full time and part time nurses and apparently intensive care and emergency department nurses do not experience more stress than general medical ward nurses.