User Manual

ii Lumax Technical Manual
2.3.3 Atrial Sensitivity Settings .....................................79
2.3.4 Minimum Atrial Threshold....................................80
2.3.5 Left Ventricular Sensitivity Settings .....................80
2.3.6 Minimum Left Ventricular Threshold....................81
2.3.7 Far Field Protection .............................................81
2.3.8 Additional Sensing Parameters ...........................81
2.4 Automatic Threshold Measurement (ATM) .................83
2.4.1 Signal Quality Check ...........................................84
2.4.2 Threshold Measurement .....................................84
2.4.3 Loss of Capture Detection...................................84
2.4.4 ATM in Lumax HF-T Models ...............................84
2.4.5 RV & LV Capture Control ....................................85
2.5 Ventricular Tachyarrhythmia Detection........................85
2.5.1 VF Classifications ................................................86
2.5.2 VT Interval Counters............................................86
2.5.3 VT Classification..................................................86
2.5.4 SMART Detection™ ............................................87
2.5.5 Onset ...................................................................88
2.5.6 Stability ................................................................88
2.5.7 Sustained VT Timer.............................................88
2.5.8 VT Monitoring Zone .............................................89
2.5.9 Atrial Monitoring Zone .........................................89
2.6 Tachyarrhythmia Redetection......................................90
2.6.1 VT Redetection....................................................90
2.6.2 SMART Redetection............................................90
2.6.3 Forced Termination .............................................90
2.6.4 VF Redetection....................................................91
2.7 Tachyarrhythmia Termination ......................................91
2.8 Tachyarrhythmia Therapy............................................91
2.8.1 Therapy Options ..................................................91
2.8.2 Anti-Tachycardia Pacing (ATP) ...........................91
2.8.3 Shock Therapy ....................................................95
2.8.4 Progressive Course of Therapy.........................101
2.9 Bradycardia Therapy .................................................102
2.9.1 Bradycardia Pacing Modes ...............................102
2.9.2 Basic Rate .........................................................103
2.9.3 Night Rate..........................................................103
2.9.4 Rate Hysteresis .................................................104
2.9.5 Dynamic AV Delay.............................................107
2.9.6 IOPT ..................................................................110