Adverse nursing events are substandard events encountered by patients during healthcare, the severity of which is classified into four levels according to the Classification and Management of Medical Incident Events and Adverse Events. Level 1 events are minor violations with insignificant health effects; Level 2 events are more obvious violations with some adverse effects; Level 3 events are obvious irregularities with greater health effects but not life-threatening; and Level 4 events are extremely serious violations that directly threaten the lives of patients. The grading of these events emphasizes the seriousness of the problem and requires us to pay close attention and take appropriate measures.
Medical institutions need to establish a comprehensive system for reporting, investigating and handling incidents to ensure that they are promptly identified and handled. At the same time, they need to strengthen the professional ethics education of their medical staff and enhance their professional skills and standards of medical care, so as to ensure that patients receive high-quality medical services and maximize the protection of their health rights. Each link is vital to *** with building a safe and standardized medical environment.