Table 4

Examples of observed errors

Preparation errorsExamples
Wrong dose0.5 ml amoxicillin withdrawn instead of 0.4 ml (25% difference); 0.8 ml caffeine withdrawn instead of 0.7 ml (14% difference)
Twice the prescribed dopamine concentration
Not dissolvedAmoxicillin powder for injection incompletely dissolved before administration
Not mixedVancomycin solution not mixed after dilution before administration
Insulin-albumin infusion not mixed before administration
Administration errors
Wrong administration timeCeftazidim administered 145 min later than prescribed
Caffeine administered 75 min earlier than prescribed
Wrong administration rateIntravenous bolus of flucloxacillin administered in a few seconds
ExpiredContinuous heparin/dopamine infusion administered for 30 h (shelf-life of dilution expires after 24 h at 20°C).
Incompatibilitiesintravenous lines not flushedCeftazidim and caffeine administered through the same intravenous line without flushing between the administrations
OtherMeropenem administered without an in-line filter