Term
Use
Definition
Accident
Not to be used
An unplanned, unexpected, and undesired
event, usually with adverse consequences.
Adverse event
To be used
instead of
”accident”
An event that results in
unintended harm
to the patient
by an act of commission or
omission rather than by the underlying
disease or condition of the patient.
Any side effects related to the accepted
treatment are excluded.
Near miss event
An event which does not reach the patient
No harm or
minor event
An event that reaches the patient but does
not result in harm to the patient
Recommendations on terminology