Methods High costs of intensive care, quality of care and patient safety demand measurement of nursing workload to determine nursing staff requirements in Intensive Care Units (ICU). To describe nursing workload in the ICU from different countries using the Nursing Activities Score (NAS). The most of EA/I were not recorded in the medical records, indicating that there are still gaps in the records of the EA/I and strong punitive culture still is present in health institutions that hinder the notification of the occurrence of EA /I