adverse event

unintended event that has negative impact upon a care process

EXAMPLE 1 An infection acquired during a hospital stay

EXAMPLE 2 A drug may be used as recommended but cause allergic reaction when the drug allergy was not known before the treatment.

EXAMPLE 3 An accident in connection to a care activity

EXAMPLE 4 A mishap during correctly performed care activity

Note 1 to entry: 'Iatrogenesis' or 'iatrogeny' is a common cause of adverse events.

Note 2 to entry: Adverse events can occur during appropriate care activities

Note 3 to entry: Adverse events may cause harm

Table 1. Associations of adverse event
Specialization of Generalization of
unintended event
Association from Association name Association to
0..* adverse event negatively influences 0..* care process
1..* adverse event requires 1..1 adverse event management
adverse eventUML Representation
Figure 1. adverse event (UML Representation)