Table 1 Programming of CRT-D devices
From: Monitoring of CRT-D devices during radiation therapy in vitro
Parameter | CRT-D setting |
|---|---|
Pacing mode | DDD |
Lower rate limit | 70 bpm |
Hysteresis | Off |
Upper rate | Nominal 130 bpm |
AV delay | Dynamic 120–180 ms |
Ventricular pacing | BiV |
RA, RV sense polarity | bipolar |
LV pace polarity | bipolar LV tip -> LV ring |
Rate smoothing | Off |
VT zone | 160 bpm |
First VT therapy | Burst: 8 pulses at 81 % Scan: 8 pulses with 10 ms decr. |
Second VT therapy | 26 J |
Third-last VT therapy | Maximum energy 41 J |
VF zone | 200 bpm |
First VF therapy | 26 J |
Second-last VF therapy | Maximum energy 41 J |