Medical Informatics: Information Management
A User’s Guide
Dr Peter Cantillon
Mr Ben Kanagaratnam
Outline
•Organising and categorising medical information
•Libraries, Catalogues, Indexes etc.
•Electronic information
•Electronic records
•Electronic networks
•Human information management
Organising medical information
Doctor
Colleagues
Media
Guidelines
Medical school
Patients
Institution
Classification
Sore throat
Throat pain
Tonsillitis
Pharyngitis
URTI
Clinical coding
•Read coding
•ICD 10 coding
•WHO classification
Misclassification
Patient-doctor interaction
Consultation
Examination
Investigation
Medical record
•Misinterpreted
•Misinformation
•Misinterpreted
•Misrecorded
•Misidentified
•Misanalysed
•Misfiled
•Misleading
•Misreading
•Missing altogetherDe Dombal ‘96
Library information
Categorisation
Journals and periodicals
Books, Texts etc.
Archive material
Dewey system
616=medicine
616.0757 = radiology
Smi. = smith
Books on a topic
are shelved
together
There are many aspects contributing to a typical EMR.
G E N E R A LP R A C TITIO N E R
H O S P ITA LA D M IS S IO N
D IA G N O S IS L A B O R A TO R YR E S U L TS
P R O G R E S SN O TE S
TR E A TM E N TS
D E C IS IO N S
P A TIE N T
A Centralised Record can be accessed easily by various hospital departments as illustrated below.
L ab ora to ryP ath o log y
B ac te rio log y
R ad io log y P h ys io th erap yU n it
P h arm acy
C are /Trea tm en t U n itH osp ita l W ard
P atien t L oca tion
MEDICATION MANAGER
Patient Name : CURRENT DRUG HISTPORTI.D. No. :
DIAGNOSIS : Urinary Tract Infection
OTHER ACTIVE PROBLEMS
ASTHMA
Drugs Available for Diagnostic Profile : CODEAMPICILLINAMPICILLIN-SODIUM
SELECT CANCEL
Consultant :
CURRENT DRUG HISTORY
Include : All current and expired drugs.
DRUG DOSEBecotide 250 2/day
Drug Allergies : NONE KNOWN
PRESCRIBE RESULTS....
Electronic information management
Information In
Keyboard
Scanner
Network
E-mail/Internet
Floppy/CD drives
RAM
Hard disc
Bits and Bytes
8 Bits = 1 Byte (one character on a page)
1024 Bytes = one kilobit (1-2Kb = page of text)
1024 kilobits = 1 megabit (Mb)
1024 megabits = 1 Gigabit (Gb)
Bandwidth
Computer Networks
Internet diagram
Spread sheet packages
Database packages
Word-processor packages
Human information management
Learning
Rational / logical
Emotional
•Primacy
•Recency
•Association
•Emphasis
•Interest
•> 1 sense
More likely to remember
Human information management
50%
75%
100%
Recall over time
Human information management
A B C D
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