Date post: | 16-Jul-2015 |
Category: |
Healthcare |
Upload: | mykeel-thelakkatte |
View: | 106 times |
Download: | 2 times |
DEPARTEMENT OF COMPUTER SCIENCE AND ENGINEERING
UNDER THE GUIDENCE OF:Mr. NAVIN KUMAR TRIVEDI
PRESENTED BY:VINEETH-MTT-CS (B)
4/1/2015 1
Table of Contents
Introduction
Scope
Data & information &various types of data
Lets talk about database
What is data warehouse
Star Schema
Advantages
Problems with conventional systems
Advantages of computerised HCMS
Goals of health care system
Conclusions
References4/1/2015 2
INTRODUCTION
• A health care system is the totality of services offered byall health disciplines.
• This system is to facilitate the centre to retrieve, update,and report the patient information efficiently, in turnhelping the doctors make timely, effective diagnoses.
• At the same time , the centre can utilize this system tomonitor their medical and financial management.
4/1/2015 3
Scope
Can be used in any Hospital, Clinic, Dispensary or Pathologylabs for maintaining patient details and their test results.
4/1/2015 4
Data & Information
• DATA
It is a set of values of qualitative and quanditative variables.
Data is collected and analysed to create information suitable formaking decisions.
• INFORMATION
It is that which informs i.e.. Answer to any questions.
4/1/2015 6
Let’s Talk About Database...
• A database is a collection of data that is organized in a specific way.
• The data is stored in a way that makes it easy to access using queries.
• For example,
A database called 'Simpsons'.
Modelling the availability of rooms in hotels in a way that supports finding a hotel with vacancies.
4/1/2015 8
What is Data Warehouse
• A data warehouse is a relational database that is
designed for query and analysis rather than for
transaction processing.
• It usually contains historical data derived from
transaction data, but it can include data from
other sources.
• It separates analysis workload from transaction
workload and enables an organization to
consolidate data from several sources.4/1/2015 9
Types of systems(Contd...)
• Online analytical processing (OLAP)
• Online Transaction Processing (OLTP)
4/1/2015 10Architecture of a Data Warehouse
Star SchemaThe star schema is the simplest data warehouse
schema. It is called a star schema because the diagram of a star
schema resembles a star, with points radiating from acentre.
The centre of the star consists of one or more facttables and the points of the star are the dimensiontables.
4/1/2015 11
Advantages
The main advantages of star schemas are that they:•Provide a direct and intuitive mapping between the businessentities being analyzed by end users and the schema design.•Provides highly optimized performance for typical datawarehouse queries.
4/1/2015 14
DIS ADVANTAGES
4/1/2015 15
1) No Reusability of Master Data
Since the Master Data table is acting as the Dimension table which is
inside the cube, So the Master data table cannot be reused.
2) Degraded Performance:
The processing of numeric is much faster when compared to processing
of Alpha Numeric, Since all the tables inside the cube contains Alpha
Numeric values it degrades the performance of the queries.
3) Limited Analysis:
Maximum no. of Characteristics in a Fact table is : 16, Since each
characteristic column in the fact table connects to one Dimension
table/Master data Table, So max no. of Dimension tables what we can
have is limited 16.
Problems with conventional system
• Lack of immediate retrievals
• Lack of immediate information storage
• Lack of prompt updating
• Error prone manual calculation
• Preparation of accurate and prompt reports
4/1/2015 17
Advantages of Computerized Health Care Management System
Immediate Access of data
Friendly user interface
Time saving
Data can be easily insert/update/delete
Saving paper work
Give facility of different types of Enquiry
Data’s are easily approachable.
4/1/2015 18
29
• Safety
• Timeliness
• Effectiveness
• Efficiency
• Equity
• Patient‐centerednes
Goals for “Healthcare Quality”
4/1/2015 19
Typical health care value circle
A typical large health care consortium is a network of providers, clinics, hospitals, pharmacies, pharmaceuticalmanufacturers, laboratories, employers, insurance companies, and government agencies. Unlike the value chain wedescribed in a health care consortium resembles more of a value circle, as illustrated in Fig. This figure is not a schemadiagram! It is a picture of how all these diverse organizations need to share the same critical data: the patient treatmentrecord.
4/1/2015 21
Various Forms of HealthIT
Hospital Information System(HIS)
Computerized Provider Order Entry(CPOE)
ElectronicHealthRecords(EHRs)
Picture Archiving andCommunicationSystem (PACS)
4/1/2015 22
Health Information Exchange(HIE)
HospitalA
HospitalB
ClinicC
Government
Lab Patient atHome
4/1/2015 24
CONCLUSIONS
The Database Management System (DBMS) is a powerful tool in current and future business. This real world Healthcare DBMS involves huge amount of research and collection of information and its implementation is possible, profitable, and realistic.
Through this system, the healthcare center can retrieve, update, and report information efficiently and greatly improve the data sharing and communication.
4/1/2015 25
References…
• Oracle University Documents
• A. Silbershatz, H. Korth., S. Sudarshan, Database System Concepts,McGraw Hill, 5th Edition, 2005
• Database System Concepts Slides: http://www.cse.iitb.ac.in/sudarsha/dbbook/slide-dir/ch1.pdf, Accessed 2010
• The Data Warehouse Toolkit by Kimball
• http://en.wikipedia.org/wiki/Data_warehouse
• http://wiki.scn.sap.com/wiki/display/Community/limitations+of+Star+Schema
• http://docs.oracle.com/cd/B10500_01/server.920/a96520/concept.htm#50413
4/1/2015 26