Model Number A219 |
Device Problems
Over-Sensing (1438); Inappropriate/Inadequate Shock/Stimulation (1574); Failure to Read Input Signal (1581)
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Patient Problems
Hematoma (1884); Electric Shock (2554)
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Event Date 05/21/2023 |
Event Type
Injury
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Event Description
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It was reported that the recently implanted subcutaneous implantable cardioverter defibrillator (s-icd) delivered an inappropriate shock due to t-wave oversensing.The patient had developed a hematoma while receiving coumadin and it was suspected that the hematoma had affected the r-wave and t-wave ratio.The s-icd was turned off, pending follow-up.The patient also had a dual chamber pacemaker system implanted (non-boston scientific product) and technical services recommended attempting to pace the patient ddd at an increased rate to evaluate the appropriate s-icd programming vector for the patient.
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Manufacturer Narrative
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Please see correction to section f.Additional device code: a1301.
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Event Description
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It was reported that the recently implanted subcutaneous implantable cardioverter defibrillator (s-icd) delivered an inappropriate shock due to t-wave oversensing.The patient had developed a hematoma while receiving coumadin and it was suspected that the hematoma had affected the r-wave and t-wave ratio.The s-icd was turned off, pending follow-up.The patient also had a dual chamber pacemaker system implanted (non-boston scientific product) and technical services recommended attempting to pace the patient ddd at an increased rate to evaluate the appropriate s-icd programming vector for the patient.
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Search Alerts/Recalls
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