Doctor patient entity relationship diagram example

ER Diagram doctor patient portal | Editable Entity Relationship Diagram Template on Creately

doctor patient entity relationship diagram example

The entity relationship diagram is another excellent tool for capturing this information. Simple Example –Hospital System Model. Here is a portion of your Patients are assigned to a ward, and are treated by doctors. • Wards contain beds. Database Concepts; Entity Relational Diagram (ERD) Database: Definition Doctor B 8. Patient I 2. Doctor B A more relational database. Patient ID. A Entity Relationship Diagram showing ER Diagram doctor patient portal. You can edit this Entity Relationship Diagram using Creately diagramming tool and include in your in your device or Register via your computer to use this template.

The involved hospital records the following information: Physicians may order and perform any number of Services and Treatments for a Patient, or may not perform any Treatment. A Treatment or Service may be performed on any number of Patients, and a Patient may have Treatments performed or ordered by any number of Physicians. For each Treatment or Service rendered, the hospital records the following information: Physician ordering the Treatment, treatment date, treatment time, and results.

doctor patient entity relationship diagram example

Entity Type Definitions Patient. A person who is either admitted to the hospital or is registered as an outpatient. Each patient has an identifier, the medical record number MRNand a name. Physician A member of the hospital medical staff who may admit patients to the hospital and who may administer medical treatments.

Each physician has a physician ID and name.

doctor patient entity relationship diagram example

A patient's medical condition diagnosed by a physician. Procedure codes are used for diagnostic and therapeutic procedures.

Patient info ( Entity Relationship Diagram)

Louis Entity-Relationship Diagrams ERD Data models are tools used in analysis to describe the data requirements and assumptions in the system from a top-down perspective.

They also set the stage for the design of databases later on in the SDLC. There are three basic elements in ER models: Entities are the "things" about which we seek information.

doctor patient entity relationship diagram example

Attributes are the data we collect about the entities. Relationships provide the structure needed to draw information from multiple entities. Generally, ERD's look like this: Before discussing the procedure, let's look at a narrative created by Professor Harman.

doctor patient entity relationship diagram example

Patients are treated in a single ward by the doctors assigned to them. Usually each patient will be assigned a single doctor, but in rare cases they will have two. Heathcare assistants also attend to the patients, a number of these are associated with each ward.

Patient info | Editable Entity Relationship Diagram Template on Creately

Initially the system will be concerned solely with drug treatment. Each patient is required to take a variety of drugs a certain number of times per day and for varying lengths of time. The system must record details concerning patient treatment and staff payment. Some staff are paid part time and doctors and care assistants work varying amounts of overtime at varying rates subject to grade. The system will also need to track what treatments are required for which patients and when and it should be capable of calculating the cost of treatment per week for each patient though it is currently unclear to what use this information will be put.

doctor patient entity relationship diagram example

How do we start an ERD? Add attributes to the relations; these are determined by the queries,and may also suggest new entities, e.