Use Case Diagram

8.1.1 Birth of the Twins - Events
Use Case Diagram Health Service Event #5 - Record newborn’s exams Event Diagram

Actors

Pediatric physician
Hospital’s EMR system (POS)
EHRi systems

Assumptions

The pediatric physician uses an EMR system and is already logged on this system.
The hospital’s ADT system is interfaced with the hospital’s EMR system. So, when a patient is created/updated in the hospital’s ADT system, the patient index is automatically updated in the hospital’s EMR system.
To resolve the patient’s identification, the provincial health care number is also used, because it is key information to find the patient. In this case, the pediatric physician uses the following key information to find the patient: name, birth date, and provincial health care number.
The resolution of the patient’s identification information is also necessary to obtain a “temporary” unique patient identifier from the EHR, to allow the user to view and update the patient’s record. The “temporary” unique patient identifier (EHRi Transaction Client ID) is provided by the EHRi only for one user session (without a break in the time), for the same patient and the same provider (person) who are engaged in the health service event. If there is an interruption during a health service, this becomes another health service event, and another resolution of the patient’s identification is required to obtain another “temporary” unique patient identifier (EHRi Transaction Client ID).
This health service event is repeated for each twin.

Workflow Event Step	POS Action	EHRi System Action	EHR IP reference
Resolution of patient’s identification (in the current jurisdiction)
The pediatric physician enters the patient’s identification information, in the hospital’s EMR system, for a twin. (The pediatric physician repeat the operation for the second twin)	The POS EMR system searches locally and finds the patient (because she is a patient of this hospital). The POS ADT system sends, to the EHRi system, a request with the key information (ex. name, birth date, provincial health care number) to search for the patient (and to obtain a EHRi Transaction Client ID).	The EHRi system searches the client, in the current jurisdiction, with the provided key information (ex. name, birth date, provincial health care number) and finds the client.	EHRIP10 Search Patient (Repeat for each patient / twin)
		The EHRi System Client Registry returns, to POS system, the corresponding client record (with a EHRi Transaction Client ID).
	The POS EMR system displays the corresponding record of current patient and the local information (e.g. patient’s consent directive).
Record of newborn exam (in the current jurisdiction)
The pediatric physician creates, in the hospital’s EMR system, a record of the newborn exam and any procedures. - Gender, - Weight, - Length, - Head circumference, - Physical exam findings, - Procedures. (The pediatric physician repeat the operation for the second twin)	The POS EMR system is updated with the newborn exam. The POS EMR system sends, to the EHRi system, an update request to add the newborn exam for the current patient (for EHRi Transaction Client ID).	The EHRi system adds the newborn exam event for the current patient. (for the EHRi Transaction Client ID).	EHRIP15 Put Event (Repeat for each patient / twin)
		The EHRi system returns, to POS system, an acknowledgment that the update request is completed.
	The POS EMR system displays an acknowledgment about the completed update request.

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General Info
Name	Health Service Event #5 - Record newborn’s exams Event Diagram
Type	Use Case Diagram