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dcm4chee: Updating sps order status of an MWL item via HL7 and better HL7 compliance

dcm4chee: Updating sps order status of an MWL item via HL7 and better HL7 compliance

November 27, 2016 · by David Simic · in HealthCare, Software

Suppose you wish to update the sps status of an mwl item in dcm4chee, preferably in an HL7 compliant way. (Creating mwl items from scratch in dcm4chee via HL7 messages is easy and is discussed separately here.) The obvious guess…

Developing Dicom Apps: How to obtain an org root UID for free

October 8, 2016 · by David Simic · in HealthCare, Software

If you have ever developed a DICOM-related application you may have at some point wondered how to obtain an org root UID. An org root UID is necessary for generating certain DICOM tags, such as studyUID, seriesUID, SOPInstanceUID, etc, in…

Dcm4chee: Configuring automated backups to the cloud (or anywhere really)

Dcm4chee: Configuring automated backups to the cloud (or anywhere really)

August 8, 2016 · by David Simic · in HealthCare, Software

In a production PACS, a common setup is to back up studies either in real-time or on a periodic basis (ie: nightly) to a more secure, longer-term storage location (aka “nearline” storage). The studies will typically persist on the local…

DICOM Quickie: Copying a study from one PACS to another using dcmqr (query / retrieve)

August 4, 2016 · by David Simic · in HealthCare, Software

Sending a dicom study from one PACS to another is quite simple using dcmqr from the dcm4che toolkit (I am currently using v2): dcmqr -highprior $FROM_PACS_AET@$FROM_PACS_HOST:$FROM_PACS_PORT -cmove $TO_PACS_AET \ -L $TO_PACS_AET \ -qStudyInstanceUID=”$STUDY_UID” It implements a dicom query (here we…

Dcm4chee: PACS Synchronization via Dicom Forwarding

Dcm4chee: PACS Synchronization via Dicom Forwarding

July 30, 2016 · by David Simic · in HealthCare, Software

Suppose you need to synchronize a secondary PACS with that of a primary one running dcm4chee. Perhaps this is part of a simple fault-tolerant networking solution with the secondary PACS acting as a hot-backup, or perhaps you have some other…

Flask+nginx+uwsgi: Fixing Occasional Bad Gateway 502 + / Sqlalchemy SSL Error: decryption failed or bad record mac

July 28, 2016 · by David Simic · in Software

This took a non-trivial amount of time to resolve, so I decided it be worth writing it up in the hopes of helping some poor soul (be it my future self or not :P). I recently deployed a flask +…

Amazon S3 Pitfalls: How to innocuously rack up a $1,797 bill restoring 1TB of data from Amazon S3 Glacier

Amazon S3 Pitfalls: How to innocuously rack up a $1,797 bill restoring 1TB of data from Amazon S3 Glacier

July 18, 2016 · by David Simic · in Software

The title sounds preposterous, as if this couldn’t possibly happen to any well-meaning user just toying around with a pet-project (albeit a data intensive one :P). However a close reading of AWS’s terms, coupled with some horror stories around the…

Understanding HL7: Updating a Modality Work List (MWL) using an ORM^O01 message

Understanding HL7: Updating a Modality Work List (MWL) using an ORM^O01 message

June 27, 2016 · by David Simic · in HealthCare, Software

Recently I’ve been playing with putting together a basic Radiology Information System (RIS), and one of the things that came up was how to add to a modality worklist (MWL) via an appropriately chosen HL7 message. In my setup, the…

DCM4CHEE: Updating the Modality Work List via HL7 / ORM^O01

June 20, 2016 · by David Simic · in HealthCare, Software

Adding an item to dcm4chee’s modality work list (MWL) via an HL7 message is at first glance quite simple. For example sending the following ORM^O01 message: via the command-line using hl7snd from the dcm4che toolkit should work right out of…

Weasis working with TLS, launched using dcm4chee-web3.

Dcm4chee: Getting Weasis Working w/ TLS Encryption

June 13, 2016 · by David Simic · in HealthCare, Software

After having set up dcm4chee w/ TLS encryption and gleefully performing a few dcmsnds or dcmqrs, you may find yourself a bit frustrated to discover that Weasis no longer seems to work with dcm4chee via weasis-pacs-connector. Note: This is a…

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About David

Welcome to my blog!

I'm a physicist, entrepreneur and globe trotter with expertise in software development, big data and project management.

I provide consulting services. Feel free to contact me at david@moringasci.com to have a chat.

You can also find me on LinkedIn, stackoverflow, Twitter, ResearchGate  & GitHub.

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  • dcm4chee: Updating sps order status of an MWL item via HL7 and better HL7 compliance
  • Developing Dicom Apps: How to obtain an org root UID for free

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