PACS — The Operational Imaging System
System of record for radiology imaging — storing DICOM files, managing the worklist, and serving images over DIMSE and DICOMweb.
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Three Systems at the Center of Medical Imaging Integration
PACS serves images, VNA preserves and shares them across facilities, and DICOMweb makes both accessible to modern applications.
VNA — Long-Term Archive & Cross-Facility Sharing
Vendor-neutral archive for cross-facility sharing and long-term preservation — consolidating PACS vendors so every facility sees a patient's full imaging history.
DICOMweb — REST-Based Imaging for Modern Platforms
RESTful services (WADO-RS, STOW-RS, QIDO-RS) exposing DICOM over standard HTTP — for cloud AI platforms, web viewers, and apps that need imaging data without a persistent DIMSE connection.
What PACS and Imaging Integration Actually Covers
Imaging integration spans order workflow, image retrieval, AI pipelines, report delivery and cross-facility sharing via DICOM service classes.
DICOM Modality Worklist carries orders from the HIS to the scanner, pre-populating demographics and eliminating manual entry errors.
Applications query the PACS via C-FIND and retrieve images through C-MOVE, C-GET or DICOMweb.
VNA integration follows the same DICOM standards as PACS, consolidating archives across vendors and preserving studies when a PACS is replaced.
Imaging AI receives DICOM studies from the PACS and returns Structured Reports, Secondary Capture or Presentation States.
Finalized reports reach the EHR via HL7 MDM, ORU or FHIR DiagnosticReport, with structured reporting replacing free-text.
BC (PHSA), Ontario and Alberta infrastructure make a patient's imaging history available at any participating facility.
Who This Is For
PACS integration for health systems, imaging AI, teleradiology, and Canadian provincial teams.
Hospitals & Health Systems
PACS connectivity for AI, cross-facility sharing, VNA consolidation, or EHR report delivery.
Imaging AI Companies
A DICOM pipeline from hospital PACS to your inference engine and results back to the radiologist.
Teleradiology Platforms
PACS-to-viewer connectivity, including DICOMweb, for emergency, subspecialty, and overnight coverage.
Digital Health Teams in Canada
Province-wide imaging access from one integration point across BC, Ontario, and Alberta.
The PACS Integration Process
Five steps from architecture assessment to clinical validation — most image display failures trace back to the first three.
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Architecture Assessment
Architecture Assessment
Map the imaging environment — PACS, VNA, modalities, viewers — and review DICOM Conformance Statements for supported service classes.
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AE Title Registration
AE Title Registration
Register AE titles on both sides and configure network parameters so queries route correctly before any DICOM communication.
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Transfer Syntax Agreement
Transfer Syntax Agreement
Agree on transfer syntaxes between sender and receiver — mismatched compression is the top cause of image display failures.
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Image Routing Configuration
Image Routing Configuration
Configure routing rules that filter studies by modality, body part, or facility before they reach the AI application.
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Clinical Validation & Performance Testing
Clinical Validation & Performance Testing
Test with real studies across production modalities, validating query times, transfer rates, and AI latency before go-live.
Standards That Medical Imaging Integration Actually Runs On
DIMSE, DICOMweb, HL7, and FHIR implemented directly for your existing PACS.
DIMSE
DICOM DIMSE Service Classes
Traditional DICOM over TCP, deployed in nearly every hospital PACS.
DICOMweb
DICOMweb REST Services
RESTful DICOM access for cloud platforms, viewers, and AI apps.
AI Results
AI Result Object Types
DICOM formats for returning AI findings into the radiologist's workflow.
Report Delivery
Radiology Report Integration
Protocols for delivering finalized reports to providers and EHR.
PACS Vendors
PACS Systems We Integrate With
Major PACS platforms across U.S. and Canadian hospitals.
Provincial (CA)
Canadian Provincial Imaging Networks
Provincial infrastructure enabling province-wide image access.
Imaging Data Should Follow the Patient. Let's Build That Infrastructure.
DIMSE or DICOMweb, hospital PACS or provincial network — we build the DICOM integration layer that gets images to the right systems at the right time.
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Frequently Asked Questions
[ 1 ]
What is the difference between a PACS and a VNA?
A PACS handles day-to-day radiology workflow — image display, worklist, and reporting. A VNA is a long-term archive optimized for storage and cross-facility sharing, and many health systems run both.
[ 2 ]
What does an AI company need to connect to a hospital PACS?
Technically: a DICOM interface for C-STORE or DICOMweb, a registered AE title, and the ability to return Structured Reports or Secondary Capture. Administratively: a BAA, security compliance, and sign-off from radiology and clinical informatics.
[ 3 ]
How is DICOMweb different from traditional DICOM, and when should each be used?
DIMSE uses persistent TCP connections for high-volume transfers inside a hospital network. DICOMweb (WADO-RS, STOW-RS, QIDO-RS) exposes DICOM over HTTP for cloud platforms, web viewers, and AI — and most modern PACS support both.
[ 4 ]
How do Canadian provincial imaging networks affect integration planning?
In provinces with centralized PACS — BC, Ontario, Alberta — one connection reaches all participating facilities, eliminating per-hospital negotiations. The tradeoff is formal data access agreements with the health authority and longer governance, so plan that timeline early.
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