Domain Models and Entities

The following list represents the core entities within the Healthbuddy ecosystem:

---

Entity	Description
User	Can be an Employee, Nurse, Patient, or Portal Admin. Is an Employee when performing administrative or healthcare duties. Is a Nurse when providing care to patients. Is a Patient when receiving care. Is a Portal Admin when managing the backend.
Contact	Each User creates an entry as a Contact.
Patient	Is a User with additional attributes. Can create an Encounter through an Appointment or Walk-in. Has a Profile and Health History. Has Vitals recorded during an Encounter. May have Prescriptions or Medications linked to an Encounter.
Encounter	Is for a Patient and mapped to a Primary Physician. Contains Vitals. May contain Prescriptions or Medications.
Volunteer	Is a Patient who participates in a Clinical Trial. Is covered by a Nursing Task specific to the Clinical Trial Program.
Nursing Task	Links Nurse to Patient. May be associated with a Clinical Trial Program.
Medication	Is prescribed in an Encounter. Is demarked for Clinical Trials or Non-Clinical Trials.
Reminder and Notification	Patients receive Reminders before Medication doses. Patients can opt-out of Reminders. When Reminders are sent, an entry is recorded in Notifications.
Medication Consumption Log	Records Drug consumption by Patients.