MRI parameters
Preset parameters in the MRI program:
Parameter
Range of values
Basic rate
70 ... (10) ... 160 bpm
AV delay
110 ms
Pulse amplitude A/RV 4.8 V
Pulse width A/RV
1.0 ms
Pulse amplitude LV
As in permanent program
Pulse width LV
VV delay
0 ms
Preset Programs
Standard and safe program
Mode after auto-initialization:
Parameter
Factory
Standard
settings
program
Mode
VVI
VVIR
Mode
DDD
DDDR
Lead configuration, determined and set immediately after connection (auto lead check)
Parameter
Factory
settings
Pacing polarity A/RV
Unipolar
Pacing polarity LV
TCUP
Sensing polarity A/RV
Unipolar
Sensing polarity LV
Unipolar
Automatic lead check
ON
en • English
Standard
SR DR HF
—
x
x
—
x
—
x
x
—
—
Safe program
SR DR HF
VVI
x
In the AAI mode, the safe
program is also AAI.
VVI
x
Standard
Safe
SR DR HF
program
program
Unipolar
Unipolar
x
x
TCUP
TCUP
Unipolar
Unipolar
x
x
Unipolar
Unipolar
ON
—
x
x
Parameters after auto-initialization:
Parameter
Basic rate
x
x
Night program
x
Rate hysteresis
Upper rate
x
Dynamic AV delay
AV hysteresis
x
Sense compensation
AV safety delay
VV delay
LV T-wave protection
Far-field protection after Vs 100 ms
Far-field protection after Vp 150 ms
Ventricular blanking period
after Ap
PMT protection
x
VA criterion
Magnet response
Pulse amplitude A
Pulse amplitude RV
Pulse amplitude LV
x
Pulse width A
x
Pulse width RV
x
Pulse width LV
x
Sensitivity A
x
Sensitivity RV
Sensitivity LV
21
Factory
Standard
Safe
settings
program
program
60 bpm
60 bpm
70 bpm
50 bpm
OFF
OFF
OFF
OFF
OFF
OFF
130 bpm
130 bpm
—
Low
Low
—
OFF
OFF
—
-45 ms
-45 ms
—
100 ms
100 ms
—
0
0
0
ON
ON
ON
100 ms
—
150 ms
—
30 ms
30 ms
—
ON
ON
—
350 ms
350 ms
—
AUTO
AUTO
AUTO
3.0 V
3.0 V
—
3.0 V
3.0 V
4.8 V
3.0 V
3.0 V
4.8 V
0.4 ms
0.4 ms
—
0.4 ms
0.4 ms
1.0 ms
0.4 ms
0.4 ms
1.0 ms
AUTO
AUTO
—
AUTO
AUTO
2.5 mV
AUTO
AUTO
2.5 mV
SR DR HF
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x
x