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CH EMED EPR, published by CARA. This guide is not an authorized publication; it is the continuous build for version 1.0.1-ci-build built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of and changes regularly. See the Directory of published versions

Use Case


This use case presents a simple example of a patient to showcase all the different documents defined by this implementation guide and how they are used by different systems. Please take into account that different systems might resolve different problems in a different way when it comes to both the content and the transactions they implement to achieve their goals: this example does not intend to portrait an actual real exchange between systems and should not be taken as a fixed template for this either.

Please note that a use case as described by the IPAG report is also provided and described by CH EMED in French and in German

First Appointment with the General Practitioner

The patient goes to his general practitioner to address his ailment. The doctor’s system performs the necessary requests to fetch a PML document from the eMedication service to support the anamnesis process. The service returns the PML document for the patient, which at this time is empty since his PMP record is empty.

The doctor recommends to start a treatment with paracetamol and prescribes Axapharm tablets containing each 1g of paracetamol to be taken with meals for three months: one in the morning, one at noon and one in the evening. The doctor’s system sends to the eMedication service an MTP document and a PRE document for Axapharm’s paracetamol, then fetches a PMLC document to verify it contains the right treatment. He then gives to the patient a printed copy of the medication card provided by the eMedication service with the PMLC document.

Second Appointment with the General Practitioner

One month later, the patient returns to the same practitioner and explains that he is having a hard time swallowing the tablets. The doctor then decides to cancel the current treatment and start a new treatment with Dafalgan effervescent tablets, containing each 500mg of paracetamol, to be taken: two in the morning and two in the evening. The practitioner’s system sends a PADV document to the eMedication service to cancel the Axapharm paracetamol treatment and a new MTP document and PRE document for the new Dafalgan treatment. It then fetches a PMLC document from the eMedication service to verify that the current medication card is correct and the practitioner handles a printed copy to the patient.