Imaging Informatics and PACS Dr.Metab Alkubeyyer Consultant body MRI and Imaging Informaticist.
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Transcript of Imaging Informatics and PACS Dr.Metab Alkubeyyer Consultant body MRI and Imaging Informaticist.
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Imaging Informatics and PACS
Dr.Metab AlkubeyyerConsultant body MRI
and
Imaging Informaticist
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IMAGING INFORMATICS
Imaging informatics (previously called radiology informatics) is sometimes thought of as the study of how images get from one place to another, but in reality imaging informatics has a much larger scope.
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IMAGING INFORMATICS
One of the major components of imaging informatics is PACS (picture archiving and communication system).
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DICOM
• Digital Imaging and Communication in Medicine
• is a standard for handling, storing, printing, and transmitting information in medical imaging. It includes a file format definition and a network communications protocol.
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TECHNIQCAL STANDARD ?
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• American College of Radiology (ACR)• National Electrical Manufacturer’s
Association (NEMA)
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What is the Goal of DICOM?
The goals of DICOM are to achieve
compatibility and to improve workflow
efficiency between imaging systems and
other information systems in healthcare
environments worldwide.
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•Order entry•Document review•Scheduling
•Modality assignment•Radiographer and Radiologist assignment•Room assignment•Radiology reports•Receiving orders from HIS•Inventory radiology system•KPI•Scheduling
•Image archive (store)•Image distribution.•Image visualization•Image analysis.
CT MRI ENDOSCOPY ECG
HIS/EMR RIS PACSDICOM
DIC
OM
DIC
OM
DIC
OM
DIC
OM
HL7 HL7
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Why can’t
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PACS a network of computers used by radiology
departments that replaces film with electronically stored and displayed digital images. It provides archives for storage of multimodality images, integrates images with patient database information, facilitates laser printing of images, and displays both images and patient information at work stations throughout the network. It also allows viewing of images in remote locations.
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PACS main uses Hard copy replacement: no more papers
and printing radiology films. Digital images and text are used (soft copy)
Remote access: Teleradioogy. Telemedicine. Access from home
Electronic image integration platform: HIS, RIS, EMR
Radiology Workflow Management
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PACS and ITS PARTS
1)Monitors
2)Network
3)Storage
4)Supporting software
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PACS and ITS PARTS
1)Monitors: CRTs and LCDs. Resoulution: how many mega pixel.
e.g viewing mammograms need at least 5 megapixel.
Quality assurance: Gamma correction.
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CRT and LCD
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PACS and ITS PARTS
2)Networks Client and servers Routers, switches Storage devices.
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Networks types
LAN (Local area Netwrok):
e.g Inside hospital network
VPN (Virtual private network):
For teleradiology or telemedicine services and support.
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Network
Bandwidth: depends on medium of data transfer. Fiberoptic , cables, leased line
Security.
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3) Storage types: spinning disks (eg, hard drive) magnetic tape (eg, audio cassettes), optical media (eg, compact discs and
digital video discs), and solid-state (eg, USB [universal serial bus] flash memory cards)
Most PACSuse combinations of these.
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STORAGE
Can be long term or short term. Most PACS use either magnetic tape or
spinning disks(hard disk) for long-term storage.
Magnetic Tape Hard disk
Cost Cheap Expensive
Time Retrival Long short
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STORAGE
Redundancy:
refers to storage of multiple copies of imaging data.
A redundant array of inexpensive disks (RAID) is the most frequently-used redundancy system in PACS storage
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PACS supporting softwares
Speech Recognition Digital Teaching Files . e.g The Medical
Imaging Resource Center (MIRC) Image Processing: e.g CAD, 3d
visualization, dual energy subtraction. Asynchronous Communication Tools.
Emails, instant messaging, SMS
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Besides PACS Radiology Information System (RIS):
for scheduling patients, storing reports, and patient tracking;
Hospital information system,(HIS), which keeps track of patient demographic data and locations.
Electronic Medical Record (EMR): to organize all medical data from an entire enterprise.
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Thanks