Health informatics Flashcards Preview

Year 3: Health informatics and change management > Health informatics > Flashcards

Flashcards in Health informatics Deck (19):
1

What are the themes of health informatics?

IT
Clinical evidence
Clinical data
Clinical systems
Research
Translational bioinformatics

2

What are the three network configurations?

Line
Star
Tree

3

What are the layers of the open systems interconnect (OSI) model?

Clading
Physical layer
Link layer
Network layer
Transport layer
Session layer
Presentation layer
Applications layer
Applications programs

4

What layer of the OSI are DICOM and HL7 in?

Applications layer

5

What is included in the DICOM standard?

20 parts and 201 supplements
Pertains to field of medical informatics
Applies to networked and offline media environment
Data transfer and semantics
Specifies level of conformance

6

What are the main DICOM terms?

Application entity
Message
Information object
Command
Service class
Service object pair class (SOP)
Data set
Attribute
Data element

7

What can be in the data element?

Person name
Long string
Code string
Sequence of data elements
Date
Time
UID - SOP class UID

8

What are the properties of data elements?

Building blocks of DICOM data streams
Variable length
May be nested
Written in hex format
Group and element number defined in Data Dictionary
Private tags can be used

9

What are the 5 DICOM services?

Store
Query/retrieve
Modality worklist
Modality performed procedure step
Print

10

What is the purpose for HL7?

Standards for exchange, integration, sharing, and retrieval of electronic health information

11

Why can HL7 issue its own standards?

It is an ANSI-accredited standards development organisation

12

What are the family of standards?

Primary standards - system integration
Foundational standards
Clinical and administrative domains
Functional models and profiles

13

Where is HL7 focused?

USA

14

What are the differences between HL7 v2 and HL7 3.x

HL7 v2: Test based, event driven messaging, uses delimiters
HL7 3.x: XML based object orientated syntax

15

What is IHE and what is its purpose?

Integrating the Healthcare Enterprise
Initiative to coordinate use of established standards in healthcare organisations
Covers radiology and radiation oncology

16

What profiles does the Radiation oncology domain have?

Treatment planning
Multimodality registration
Workflow

17

What are included in the hospital episode statistics?

NHS data warehouse containing records of admissions, outpatients, A&E attendances
125 million records added per year
Annual summaries
Patient level data

18

How are the hospital episode statistics found?

Derived from commissioning data sets supplied by providers

19

What is included in the HES in-patient information?

Field list: admission, clinical, discharge
Procedure codes
Diagnosis codes