Merge pacs is a standards-based medical imaging diagnostic workstation that serves as an adjunct to assist the clinician to view, read, and report their findings.Merge pacs processes and displays medical images from dicom-compliant modalities.The device is designed to enable efficient workflows by maintaining clinicians' worklists and retrieving and managing studies for reading, reporting, communication, and storage.Merge pacs software runs on off-the-shelf computer hardware and can be configured to operate standalone or to integrate with vendor-neutral imaging archives (vnas) such as iconnect enterprise archive (icea) for image storage, and with radiological and hospital information systems (ris and his) and medical record systems (emr, ehr, etc.).Merge pacs can be accessed from within the hospital or enterprise, or from remote locations via web-based access.Images viewed on mobile devices must not be used for diagnostic review.On 4/27/2021, a customer contacted merge healthcare support to report that a different patient's prior study was showing in the thumbnail view for a current study open in the primary viewer.Merge healthcare support worked with the customer to reproduce the issue.Support is currently working with merge healthcare development to determine root cause and correction.A supplemental report will be filed when more information becomes available.This has the potential to delay patient treatment and/or diagnosis.There have been no reports of patient injury or harm as a result of this issue.Reference complaint (b)(4).
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This supplemental report is submitted to the fda in accord with applicable regulations and as indicated by merge healthcare in the initial report submitted 5/25/2021.After additional troubleshooting by merge healthcare technical support, it was determined that when patient b's study had been opened in the merge pacs secondary viewer, an internal id of the prior patient (patient a) had been incorrectly added to the internal cache model.Due to this, incorrect ids were added to the scrollable study list and patient a's study has been displayed in primary viewer thumbnail.This issue was fixed in an updated version of merge pacs and the customer was informed.No further action is required.Revised information contained in this supplemental report includes the following: g3 - date new information received by manufacturer g6 - indication that this is follow-up report 001 h1 - indication of malfunction as reportable event h2 - indication of additional information h3 - indication that device evaluated by manufacturer h6 - evaluation codes: investigation findings 618 incorrect algorithm investigation conclusions 143 quality control deficiency there were no reports of death, serious injury or injuries that were directly caused or contributed to as a result of this issue.
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