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EMRs’ use cases can be broadly classified into data entry and data retrieval. Being a clinician who is frustrated with informaticians overly focus on data entry, I will only present data retrieval use cases.

There are only two use cases:

1. gaining an overview of a patient.

2. searching for specific data.

Nygren, Johnson and Henriksoon (1992) presented these two use cases based on their research of how physicians read medical records. They present a third use case: hypotheses testing. This third use case can be included under ‘searching for specific data’ use case.

Nygren, E. & Henriksson, P., Reading the medical record. I. Analysis of physicians’ ways of reading the medical record. Computer Methods and Programs in Biomedicine, 39(1-2), 1-12.