Flashcards in Health informatics Deck (19):
What are the themes of health informatics?
What are the three network configurations?
What are the layers of the open systems interconnect (OSI) model?
What layer of the OSI are DICOM and HL7 in?
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
What are the main DICOM terms?
Service object pair class (SOP)
What can be in the data element?
Sequence of data elements
UID - SOP class UID
What are the properties of data elements?
Building blocks of DICOM data streams
May be nested
Written in hex format
Group and element number defined in Data Dictionary
Private tags can be used
What are the 5 DICOM services?
Modality performed procedure step
What is the purpose for HL7?
Standards for exchange, integration, sharing, and retrieval of electronic health information
Why can HL7 issue its own standards?
It is an ANSI-accredited standards development organisation
What are the family of standards?
Primary standards - system integration
Clinical and administrative domains
Functional models and profiles
Where is HL7 focused?
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
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
What profiles does the Radiation oncology domain have?
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
Patient level data
How are the hospital episode statistics found?
Derived from commissioning data sets supplied by providers