Table 1 Examples of clinical events/error with differing degrees of causality and immediacy
ErrorCausalityImmediacyPoint on fig 1
Intrathecal administration of vincristine/potassium chloride, resulting in deathHighHighA
Failure to vaccinate, resulting in the individual developing the disease that the vaccine was intended to preventHighLowB
Failure to use thrombolytics in myocardial infarction, resulting in death due to further myocardial infarctionLowHighC
Failure to use β-blockers after myocardial infarction, resulting in subsequent myocardial infarctionLowLowD