Entity relationship diagram example for hospital

Hospital Management System DATABASE DESIGN | Albert Einstein - cypenv.info

entity relationship diagram example for hospital

Some of the data types used in database table are explained below. a) Integer: One 22 Hospital Management System The E-R diagram depicts the various. Start with easy steps, analyze the main cypenv.info example, what are the main premises of a hospital system i.e. Doctor, Patient, Wards, cypenv.info these are . Download scientific diagram | Entity Relationship Diagram of PHB database. from of another source (for an example, doctor is sub of hospital) • Records table.

Physician ordering the Treatment, treatment date, treatment time, and results. Entity Type Definitions Patient. A person who is either admitted to the hospital or is registered as an outpatient.

ABC Diagram ( Entity Relationship Diagram)

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

entity relationship diagram example for hospital

Each order has an order ID, order date, and order time. In this manner, I was wondering if someone could look at this and derive the same ERD from the business rules I have or if I messed up the translation. My considerations The specific issue I can not seem to wrap my head around is the existence of multiple relationships between the entity types.

First of all, I do not even know what kind of cardinalities to put on regarding the relationship between Order and Treatment.

entity relationship diagram example for hospital

Attributes are the data we collect about the entities. Relationships provide the structure needed to draw information from multiple entities.

Entity-Relationship Diagram

Generally, ERD's look like this: Before discussing the procedure, let's look at a narrative created by Professor Harman. 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. 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.

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

  • Entity Relationship Diagram Example: Hospital
  • Hospital ERD ( Entity Relationship Diagram)
  • Entity-Relationship Diagram

Which doctors work in which wards? How much will be spent in a ward in a given week? How much will a patient cost to treat?