A term used to mean seriously ill or to describe a crucial state of illness from which a patient may not recover.
1. an event or episode that deviates from the expected or desired course and could have potentially negative effects for patient care or safety. Related terms include ‘significant adverse event’. Such episodes may inform *reflective practice and in the NHS should be reported. 2. in research, an incident that defines an importantly altered outcome for one group of participants compared to others.... critical incident