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Merlin patient care system - programmer software
Official notice
29 Mar 2022
Last checked
29 Mar 2022
An official Health Canada notice concerns Merlin patient care system - programmer software. Abbott is notifying physicians of a programmer software anomaly that may be encountered in a very specific circumstance when executing a pacing capture decrement test in-clinic on a gallant, neutrino NXT, or entrant device using a merlin patient care system (PCS) programmer. If a user presses the "hold to test" button and decides to stop testing by releasing the button prior to the first voltage decrement (within a narrow time window approximately 2.5 seconds after test initiation), the programmer may continue to execute the decrement test instead of terminating the test and restoring the permanent programmed pacing parameters. Under this scenario, the decrement test will continue running until an output of 0.25V is reached or until telemetry communication is broken. For pacemaker dependent patients, there is a potential for this scenario to cause a transient asystole until permanent parameters are restored if the voltage is below the patient's capture threshold. Recall start date: Mar 15, 2022 Published 2022-03-29.
What to do now
Contact the manufacturer if you require additional information.
Recall number
64031
Official notice
2022-03-29
The hazard
The hazard
Abbott is notifying physicians of a programmer software anomaly that may be encountered in a very specific circumstance when executing a pacing capture decrement test in-clinic on a gallant, neutrino NXT, or entrant device using a merlin patient care system (PCS) programmer. If a user presses the "hold to test" button and decides to stop testing by releasing the button prior to the first voltage decrement (within a narrow time window approximately 2.5 seconds after test initiation), the programmer may continue to execute the decrement test instead of terminating the test and restoring the permanent programmed pacing parameters. Under this scenario, the decrement test will continue running until an output of 0.25V is reached or until telemetry communication is broken. For pacemaker dependent patients, there is a potential for this scenario to cause a transient asystole until permanent parameters are restored if the voltage is below the patient's capture threshold. Recall start date: Mar 15, 2022
How to check if you're affected
How to check if you're affected
Compare the VIN on your vehicle against the official list. If your VIN is listed, follow the official notice.
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Affected products
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Where it was sold
Where it was sold
The source does not list specific retailers. See the official notice for where affected vehicles were sold.
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Company & contacts
Company & contacts
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Brand: St Jude Medical Cardiac Rhythm Management Division, Merlin Patient Care System - Programmer Software.
Source & status
Source & status
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Recall details
Recall details
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Documents, notices & source
See the official notice and source documents for full details.
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