教育训练课程教材.ppt
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HL7教育訓練課程教材
訊息結構與規則說明
教育訓練委員會
Education Technical Committees
講授大綱
Control Formatting Processing Rules
Data Type
What is HL7 Standard?
Protocol for exchange of healthcare information Not an application Not a data structure or database specification Not an architecture for designing health
Abstract Message
The data fields that will be sent within a message
The valid response messages The treatment of application
level errors or the failure of the underlying
Message Segment Segment …… Field Field Field
以火車系統為例
台北站
車 站：System 時刻表：Trigger Event 火 車：Message
高雄站
HL7 Has Two Transaction Flows
Unsolicited Patient is
Initiating Message
Response Message
Critical Care Unit
V2 Message Definition
RECEIVING APPLICATION
(Lab System)
SENDING
HL7 CONTROL
Framework
– Trigger Event – Message – Segment – Field (Data Type) – Component – Sub-Component
Abstract Message
The information associated with the trigger event.
Байду номын сангаасWho came to the hospital? When did they arrive? What was wrong?
What doctor did they see?
Example: Request all lab results from a patient’s prior visit.
Recipe for an HL7 Message
• Messages are made up of segments which are made up of fields which may have components which may have sub-components.
CHAPTER 8. Master files 9. Medical records/Information 10. Scheduling 11. Patient referral 12. Patient care 13. Laboratory automation 14. Application management
What Control Covers…
Defines the generic rules that apply to all messages The Key: How to read the rest of the specification HL7 Encoding Rules: what the !@#$ are those |^&\
applications Not a specification for a message router or
Control
Chapter 2 of the HL7 V2.x Standard
HL7 Chapters (Version 2.5)
CHAPTER 1. Introduction 2. Control 2a. Data type 3. Patient administration 4. Order entry 5. Query 6. Financial management
Example: Patient is admitted. Glucose test is resulted.
Query and Response
When the transfer of information is initiated by an application requesting information from another system, the transaction is termed a query.
Abstract Message
data responses
errors
Message
in my data stream? The programming procedures required to exchange all
messages Standard conformance profiling rules for message
specification
Conceptual Approach
Update
admitted
Admit
Ack
Trigger Event
Trigger Event
Trigger Event
A real world event that necessitates an exchange of information.
Unsolicited Update
When the transfer of information is initiated by the application system that deals with the trigger event, the transaction is termed an unsolicited update.
訊息結構與規則說明
教育訓練委員會
Education Technical Committees
講授大綱
Control Formatting Processing Rules
Data Type
What is HL7 Standard?
Protocol for exchange of healthcare information Not an application Not a data structure or database specification Not an architecture for designing health
Abstract Message
The data fields that will be sent within a message
The valid response messages The treatment of application
level errors or the failure of the underlying
Message Segment Segment …… Field Field Field
以火車系統為例
台北站
車 站：System 時刻表：Trigger Event 火 車：Message
高雄站
HL7 Has Two Transaction Flows
Unsolicited Patient is
Initiating Message
Response Message
Critical Care Unit
V2 Message Definition
RECEIVING APPLICATION
(Lab System)
SENDING
HL7 CONTROL
Framework
– Trigger Event – Message – Segment – Field (Data Type) – Component – Sub-Component
Abstract Message
The information associated with the trigger event.
Байду номын сангаасWho came to the hospital? When did they arrive? What was wrong?
What doctor did they see?
Example: Request all lab results from a patient’s prior visit.
Recipe for an HL7 Message
• Messages are made up of segments which are made up of fields which may have components which may have sub-components.
CHAPTER 8. Master files 9. Medical records/Information 10. Scheduling 11. Patient referral 12. Patient care 13. Laboratory automation 14. Application management
What Control Covers…
Defines the generic rules that apply to all messages The Key: How to read the rest of the specification HL7 Encoding Rules: what the !@#$ are those |^&\
applications Not a specification for a message router or
Control
Chapter 2 of the HL7 V2.x Standard
HL7 Chapters (Version 2.5)
CHAPTER 1. Introduction 2. Control 2a. Data type 3. Patient administration 4. Order entry 5. Query 6. Financial management
Example: Patient is admitted. Glucose test is resulted.
Query and Response
When the transfer of information is initiated by an application requesting information from another system, the transaction is termed a query.
Abstract Message
data responses
errors
Message
in my data stream? The programming procedures required to exchange all
messages Standard conformance profiling rules for message
specification
Conceptual Approach
Update
admitted
Admit
Ack
Trigger Event
Trigger Event
Trigger Event
A real world event that necessitates an exchange of information.
Unsolicited Update
When the transfer of information is initiated by the application system that deals with the trigger event, the transaction is termed an unsolicited update.