Patient's cardio defibrillator malfunctioned while at home.The lead failed 6 times to supply sufficient voltage for defibrillation.Patient experienced cardiac arrest, anoxic brain injury, coma and was made comfort measures only.Patient passed away shortly after.Interrogation shows normal lead function in terms of impedance, sensing and capture thresholds.However, device failed to deliver adequate energy needed for successful defibrillation.In discussion with device manufacturer representatives, this appears to be consistent with a rv lead malfunction.Cxr does not reveal any evidence of lead malposition or fracture.Fda safety report id # (b)(4).
|