Model 7274 Marquis DR (serial numbers listed include all afffected devices but may include some unaffected devices. Patients are recommended to check with their doctor for exact serial numbers affected.) H-Series: PKC100001H - PKC138887H and PKC142234H. R-series: PKC200320R - PKC200572R. A-Series: PKC120001S - PKC120092S and PKC600001S - PKC617090S.
Medtronic Marquis DR, model 7274 Dual 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.