Imagine a hospital where a nurse, preparing medications, accidentally selected the wrong dosage for a patient due to a computer glitch that displayed incorrect information. Before administering the medication, the nurse noticed the glitch and checked the dosage with the patient's records, discovering the error just in time. Thanks to the nurse's vigilant checking and intervention, the patient was spared from receiving the incorrect dosage, averting a potential harmful situation.
This medical error belongs to the category of error: