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Articles, guides, and tutorials about our online tools. Tips and best practices.

dicom-tools

DICOM Tag Encoding on Disk: Little Endian, Implicit and Explicit VR

How DICOM tags are encoded on disk: little vs big endian, implicit vs explicit VR, length fields, and what every radiology IT engineer should know.

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dicom-tools

DICOM Value Representations (VR): A Complete Reference

Reference guide to DICOM Value Representations (VR). Covers LO, CS, DS, UI, DA, TM, PN, SQ, and more with real radiology examples.

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dicom-tools

DICOM Private Tags Explained: How to Read Them and Why They Matter

How DICOM private tags work, how to identify and decode them, and why they create de-identification headaches in radiology archives.

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hl7-tools

HL7 v2.x Message Validation: A Practical Guide for Integration Engineers

Practical guide to validating HL7 v2.x messages. Learn the three layers of validation, how to triage errors vs warnings, and how to fix the issues that break interfaces.

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hl7-tools

Building Radiology Worklists from HL7 ORM Messages: A Practical Integration Guide

Learn how to turn HL7 ORM orders into reliable radiology worklist entries with field mappings, status handling, validation steps, and troubleshooting guidance.

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hl7-tools

DICOM Modality Worklist vs HL7 ORM Messages: When to Use Each in Radiology

Compare DICOM Modality Worklist and HL7 ORM messages in radiology workflows, including scheduling, order entry, and scanner integration.

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dicom-tools

DICOM Transfer Syntaxes Explained: Implicit VR, Explicit VR, JPEG, JPEG 2000, and RLE

Learn how DICOM transfer syntaxes work, from Implicit VR Little Endian to JPEG 2000 and RLE, and how they affect viewing and migration.

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dicom-tools

GDPR and Medical Imaging Data: Compliance Rules for DICOM, Research, and Cross-Border Sharing

Understand GDPR Article 9, anonymization, pseudonymization, DICOM metadata risk, and cross-border controls for medical imaging data.

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dicom-tools

HIPAA Compliance for Medical Imaging Tools: Practical Rules for DICOM, Viewers, and De-Identification

Learn how HIPAA applies to DICOM viewers, de-identification tools, PACS workflows, BAAs, and PHI handling in medical imaging environments.

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hl7-tools

HL7 ADT to FHIR Patient and Encounter Mapping: A Field-by-Field Practical Guide

Learn how to map HL7 ADT messages to FHIR Patient and Encounter resources with field-level guidance for PID, PV1, identifiers, locations, status, and testing.

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hl7-tools

HL7 Conformance Profiles and Site-Specific Validation: Turning Local Rules into Repeatable Interface Checks

Practical guide to HL7 conformance profiles and site-specific validation. Learn how to formalize local interface rules, combine baseline HL7 checks with profile-aware review, and reduce migration risk.

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hl7-tools

HL7 ORU to FHIR DiagnosticReport and Observation Mapping: Practical Patterns for Results Interfaces

Map HL7 ORU result messages to FHIR DiagnosticReport and Observation resources with guidance for OBR, OBX, value types, status handling, and validation.

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hl7-tools

Using HL7 v2 JSON in FHIR Ingestion Pipelines: Architecture, Mapping, and Operational Guardrails

Learn when HL7 v2 to JSON should sit in front of FHIR ingestion pipelines, what the JSON must preserve, and how to avoid data-loss during healthcare interface modernization.

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hl7-tools

Mapping HL7 PID and PV1 Segments to JSON for ADT Pipelines

Learn how to map HL7 PID and PV1 segments to JSON without losing identifiers, visit context, repetitions, or null semantics in ADT pipelines.

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hl7-tools

Validating HL7 v2 with Custom Z Segments: Site-Specific Rules Without Breaking the Standard

Learn how to validate HL7 v2 messages that include custom Z segments. Covers baseline HL7 checks, site-specific rules, governance, and practical workflows for safe interface validation.

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hl7-tools

Converting HL7 v2.x Messages to JSON: A Complete Developer Guide

Learn how to convert HL7 v2.x messages to JSON with simplified or HAPI-style output. Step-by-step guide covering field mapping, escape sequences, and integration patterns.

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dicom-tools

DICOM Windowing Explained: Standard Presets for CT, MRI, and X-Ray

Master DICOM windowing: understand Window Center and Window Width, standard CT/MRI/X-ray clinical presets, Hounsfield Units, and how to optimize image contrast for diagnosis.

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dicom-tools

GDPR vs HIPAA: De-Identifying DICOM Medical Images for International Research

Compare GDPR and HIPAA requirements for DICOM medical image anonymization. Learn regulatory differences, required tag removals for each framework, and strategies for multi-site international research.

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hl7-tools

How to Build HL7 Test Messages Without PHI Risk

Learn how to generate valid HL7 v2.x test messages for ADT, ORU, ORM and other trigger events — safely, without PHI, and without hand-crafting pipes.

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hl7-tools

HL7 ADT Test Messages: How to Generate A01, A03, A04, A08, A11 for Interface Testing

Complete guide to generating HL7 ADT trigger events (A01, A03, A04, A08, A11) for testing interface engines. Segment structure, validation, and integration patterns.

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hl7-tools

HL7 v2 to FHIR Migration: A Practical Guide for Healthcare Integration Teams

How to map HL7 v2.x ADT, ORU, and ORM messages to FHIR R4 resources. Covers Patient, Encounter, Observation, and ServiceRequest mapping with real examples.

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hl7-tools

HL7 v2.x in Radiology: ORM Orders, ORU Results, and Worklist Integration

How HL7 v2.x ORM and ORU messages drive radiology workflows — from order entry to result delivery. Covers ORM^O01, ORU^R01, worklist integration, and PACS routing.

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hl7-tools

Debugging HL7 ACK Failures: A Practical Guide for Integration Engineers

Step-by-step guide to diagnosing and resolving HL7 ACK failures. Covers ACK timeouts, MSA-2 mismatches, MSH mirroring errors, and AR responses — with worked examples for Mirth Connect and Rhapsody.

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dicom-tools

How to Look Up DICOM Tags: Finding Tags by ID, VR, and Attribute Name

Learn how to look up DICOM tags by tag ID, attribute name, and Value Representation. Step-by-step guide with real-world examples for healthcare IT professionals.

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hl7-tools

HL7 ACK Messages Explained: AA, AE, and AR Acknowledgment Codes in Healthcare Interfaces

Complete guide to HL7 v2.x acknowledgment messages. Understand AA, AE, and AR codes, MSH mirroring rules, the MSA segment, and how ACKs drive reliability in healthcare interfaces.

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hl7-tools

HL7 v2.x Segment Field Reference: A Complete Guide for Integration Engineers

Complete HL7 v2.x segment field reference covering all standard segments, field positions, data types, and optionality rules for healthcare integration.

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dicom-tools

How DICOM Image Rendering Works: From Pixel Data to Clinical Display

Learn how DICOM images are rendered from raw pixel data to screen. Covers windowing, photometric interpretation, transfer syntaxes, and multi-frame images.

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dicom-tools

DICOM De-Identification: How to Safely Remove PHI from Medical Images

Learn how to safely remove Protected Health Information from DICOM files for research sharing. Covers tag-level PHI, burned-in annotations, and audit workflows.

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dicom-tools

PACS Migration Checklist: Validating DICOM Data Integrity After Transfer

Step-by-step PACS migration checklist for validating DICOM data integrity. Learn to catch tag corruption, UID mismatches, and encoding errors.

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hl7-tools

Troubleshooting Common HL7 Interface Issues: A Practical Guide

Practical guide to troubleshooting HL7 interface problems including MLLP connection errors, character encoding, delimiter conflicts, and ACK failures.

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dicom-tools

Understanding DICOM Tags: A Field Reference for Radiology IT

Complete reference to DICOM tags for radiology IT: groups, Value Representations, private tags, sequences, and how to detect DICOM tag morphing.

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hl7-tools

Understanding HL7 v2.x Messages: Structure, Segments, and Fields

Complete guide to HL7 v2.x message structure covering segments, fields, delimiters, message types, trigger events, and encoding rules for healthcare IT professionals.

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