ER Diagram doctor patient portal | Editable Entity Relationship Diagram Template on Creately
Draw an entity-relationship diagram for the following: The entities you are going to deal with are: doctor, patient, medicine, and prescriptions. The relationships. Database Concepts; Entity Relational Diagram (ERD) Doctor B 8. Patient I 2. Doctor B A more relational database. Patient ID each entity; Establish the relationships between the entities; Draw an entity model; Test the relationships. Draw Free ERD with online ERD software. Sign up to This is a simple ER diagram for hospital that consists of three entities: Patient, Doctor and Test. Use this.
For each Treatment or Service rendered, the hospital records the following information: Physician ordering the Treatment, treatment date, treatment time, and results. Entity Type Definitions Patient.
Entity Relationship Diagram Example: Hospital
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. A patient's medical condition diagnosed by a physician.
Procedure codes are used for diagnostic and therapeutic procedures. 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. 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?
Patient info | Editable Entity Relationship Diagram Template on Creately
Add attributes to the relations; these are determined by the queries,and may also suggest new entities, e. What questions can we ask?
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?
How much does a doctor cost per week? Which assistants can a patient expect to see?
TechMight Solutions: Entity Relationship Diagram for Medical Scenario
Which drugs are being used? Add cardinality to the relations Many-to-Many must be resolved to two one-to-manys with an additional entity Usually automatically happens Sometimes involves introduction of a link entity which will be all foreign key Examples: This flexibility allows us to consider a variety of questions such as: Which beds are free?
Which assistants work for Dr. What is the least expensive prescription? How many doctors are there in the hospital?
- Search Content
- Related Diagrams
- Do you like this article?
Which patients are family related?