• Adverse Events: An involuntary act that does not achieve its outcome, such as medication errors and adverse drug events or reactions. • Hazardous condition: is a set of conditions that considerably increases the likelihood of a serious adverse physical or mental outcome for the patient without the disease or situation for which the patient is being treated. • Sentinel event: is a sudden event involving death or serious physical or mental injury or risk. It includes any process variation for which a repetition would carry a significant possibility of serious adverse outcomes, such as loss of function. • Root cause analysis: includes investigation, analysis, coordination and reporting of the incidence or sentinel event whose results are forwarded to the Patient Safety Committee and are reviewed by appropriate entities for further in-depth evaluation, review and response to