USER INSTRUCTION MANUAL
Page 34 of 49 ENGLISH
12.8.8 SNRT* Protocol
S1=600
User
pacing
stops
SNRT
Intervl
S1=500
SNRT
('s')
P A
INS:
1: 600
2: 500
3: 420
4: 370
5: 330
6: 300
7: 280
The SNRT protocol displays an elapsed-seconds alarm timer and automatically decrements S1 after
stopping pacing according to a SNRT Table. The SNRT Table is accessed by pressing [INS] when the
screen focus is on the AUTO_DECREMENT or S1 parameters while in the SNRT protocol.
Alternatively, the AUTO_DECREMENT variable may be used to decrement the S1 (customised by
your distributor).
*Note: SNRT value calculation may not function correctly when sensing IECG from the catheter-tip;
use external ECG sensing to obtain SNRT calculation by the EPS320 Stimulator.
12.8.9 Burst_Pace Protocol
BURST_PACE
t t t t t t
('b')
TCL * %
S1
TRAIN
Lower Min S1 than PACE
Option: 1. intra-burst decrement
2. Limited Train
3. Adaptive S1
BURST_PACE protocol allows more rapid pacing with S1 values as low as 30ms (subject to its own
Config Var-2 ‘Lower limit for S1 in Burst’). Configuration Variable 7 can be used to redirect Burst Pace
to Overdrive Burst pace whenever burst pace is engaged.
12.8.10 AV Atrio-ventricular Delayed Protocol
DELAYED_AV
('e')
S1 S1 S1
S2
Ch1-Atr:
Ch2-LV:
S2 S2
S1
S2
The DELAYED_AV protocol provides sequential A-V pacing where S1 is the basic pacing interval and
the S2 parameter sets the atrio-ventricular delay.
12.8.11 Overdrive Pace and ATP Protocols
TRAIN=6
S1
LOAD_ATP
(Temporary)
('L')
PAUSE
S1-10
t t t t t t
TCL* 84%
t
S1-20
t t t
User
pacing
stops
PAUSE
Terminate tachycardia rapidly by jumping to the temporary OVERDRIVE BURST_PACE protocol
(hotkey 'O'). The OVERDRIVE pacing site and the final S1 value will be remembered on the next call
to the OVERDRIVE protocol. Hotkey F11 allows one push-button overdrive pacing.
The ATP_AICD – anti-tachycardia pacing, protocol (hotkey 'L') provides overdrive pacing protocols
similar to those used in Implantable Defibrillators (AICD's).
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