Model 7230 Marquis VR (serial numbers listed include all affected devices but may include some unaffected devices. Patients are recommended to check with their doctor for exact serial numbers affected.) 7230B S-Series: PLW600001S - PLW600646S. 7230Cx H-Series: PKD100001H - PKD116584H, PKD117397H, PKD117553H, PKD117735H, and PKD117741H. R-Series: PKD200084R - PKD200536R, PKD600016R - PKD600113R. S-Series: PKD600009S - PKD608391S. 7230E S-Series: PLY600001S - PLY600749S and PLY600839S.
Medtronic Marquis VR, model 7230 Single Chamber Implantable Cardioverter Defibrillator (ICD)devices are tiered therapy implantable arrhythmia control devices, which provide automatic detection of ventricular arrhythmias and delivery of user-selected therapies for the detected arrhythmia. Therapies are automatically delivered following detection or can be initiated via programming by the physician. These ICDs are multi-programmable and have the capability of transmitting via telemetry the programmed values, measured and collected data, and event markers.